Dan Berger's MADSci Answers

mad scientist network

Food battery FAQ


Posted in 1997   Posted in 1998
January-June January-March April-June
July-December July-September October-December

Posted in 1999 Posted in 2000
January-March April-June January-March April-June
July-September October-December July-September October-December

Posted in 2001 Posted in 2002
January-March April-June January-March April-June
July-September October-December July-September October-December

Posted in 2003 Posted in 2004
January-March April-June January-March April-June
July-September October-December July-September October-December

Posted in 2005 Posted in 2006
January-March April-June January-March April-June
July-September October-December July-September

Posted in 2007 Posted in 2008
January-March April-June January-March
July-September October-December October-December

Posted in 2009 Posted in 2010
January-March January-March

    January-June 1997

  1. Air Question Tue Jan 28 16:54:08 1997
  2. I can to drive ociffer!(Breathalyzer) Tue Feb 4 09:52:49 1997
  3. the element Be Tue Feb 4 10:01:20 1997
  4. What is a carbonyl group? Thu Feb 6 12:53:50 1997
  5. Would it be possible to walk if there was no friction? Mon Feb 10 07:28:41 1997
  6. 'Why is mercury a liquid?' Fri Apr 25 12:18:15 1997
  7. I need the name of a certain scientist. Fri Apr 25 13:05:15 1997
  8. Does the boiling point of H2O increase over 100 C below sea level? Fri Apr 25 14:00:38 1997
  9. Potato Experiment Fri Apr 25 14:21:25 1997
  10. What atmosphere would produce a red sky (with our sun) Fri Apr 25 14:39:44 1997
  11. Why is oxygen so important? Fri Apr 25 15:38:45 1997
  12. Periodic trend in electronegativity Tue May 13 12:18:42 1997
  13. What is the DIFFERENCE between the Medical Nitroglycerin and the Explosive... Wed May 14 12:50:07 1997
  14. Will the probes Voyage, pioneer etc. become comet like Wed May 14 13:17:15 1997
  15. concerning measurements in space and others Wed May 14 13:53:01 1997
  16. what is the composition of the great red spot on the planet Jupiter? Thu May 15 16:43:24 1997
  17. can mercury (the metal) be magnetized Wed Jun 18 14:40:43 1997

    July-December 1997

  18. Is fire alive? Wed Jul 9 14:01:20 1997
  19. If I was on a spaceship going the speed of light... Wed Jul 9 14:32:08 1997
  20. Why are some substances more soluble than others ? Wed Aug 27 15:36:28 1997
  21. What are the economic and technological implications of sulfuric acid? Wed Sep 3 10:55:50 1997
  22. Do you think that there is any possiblity to the 'hollow earth theory' ? Wed Sep 3 11:07:33 1997
  23. How do you keep warm in an igloo? Wed Sep 3 12:17:18 1997
  24. Why are the shuttle/Mir astronauts' voices not in sync with their mouths? Wed Sep 3 12:25:42 1997
  25. What is the most efficient container shape? Tue Sep 30 12:11:19 1997
  26. What is Carbon exactly ? Mon Oct 20 13:07:00 1997
  27. Why is filling the valence shell so important? Wed Oct 29 14:28:58 1997
  28. Why is sodium stable? Mon Nov 3 16:01:20 1997
  29. Is singing well determined by the makeup of the vocal cords or mental Fri Nov 14 10:05:03 1997

    January-March 1998

  30. WHY WAS CARBON-12 CHOSEN AS THE STANDARD FOR THE AMU UNITS???? Tue Jan 20 12:44:09 1998
  31. How do you split atoms? Tue Feb 3 14:35:59 1998
  32. Could we create an atmosphere on the moon? Tue Feb 10 10:45:55 1998
  33. What happens to the two extra electrons in an alpha decay process? Wed Feb 11 07:37:03 1998
  34. Why is the Dead Sea so salty? Why does it have a sulphur like odour? Wed Feb 11 07:56:34 1998
  35. What is capillary action? Thu Feb 12 09:32:02 1998
  36. Van der Waals constant (b) for neon Fri Feb 13 13:30:14 1998
  37. Why is the sea blue? Mon Feb 16 11:20:53 1998
  38. Plant Breeding Mon Feb 16 11:38:52 1998
  39. Why are mutations only passed through sex cells? Mon Feb 16 11:47:56 1998
  40. HOW ARE KNOWN THE CHARACTERITICS OF A NEW ELEMENT? Mon Feb 16 12:26:03 1998
  41. IS A PLANT AS MUCH AS A LIVING THING THAN AN ANIMAL? Mon Feb 16 13:43:05 1998
  42. What is Science? Tue Feb 17 11:00:18 1998
  43. Dogs eyes glow differently in the dark. Red, green. Why? Tue Feb 17 12:55:12 1998
  44. Age of our Solar System verses the age of the universe Tue Feb 17 14:26:26 1998
  45. WHAT IS THE LARGEST RAINFOREST IN THE WORLD? Wed Feb 18 14:14:49 1998
  46. What is the correct hypothesis for the egg in the bottle experiment? Mon Feb 23 08:51:01 1998
  47. What are is the reason for cloning??? Mon Feb 23 14:04:04 1998
  48. Is escape velocity dependent on mass of captive object? Mon Mar 2 13:08:25 1998
  49. Why is the ocean blue? Wed Mar 4 08:32:21 1998
  50. Why doesn't the sun explode all at once? Thu Mar 12 08:38:01 1998
  51. Electricity in produce Fri Mar 13 10:38:22 1998
  52. Why do mammels like a dolphin move there tail up and down Fri Mar 13 13:53:03 1998
  53. Is it true that you cannot measure particles below a certain mass? Wed Mar 18 15:46:18 1998

    April-June 1998

  54. Why is a partice sometimes described as a particle and sometimes as a wave? Mon Apr 13 15:09:37 1998
  55. What caused the bridge Galloping Gertie to collapse? Wed Apr 15 13:15:49 1998
  56. how were permanent waves for hair discovered Thu Apr 16 08:46:20 1998
  57. why does carbonic acid decompose when it is created with acetic acid? Mon Apr 20 11:43:05 1998
  58. What are some new practical applications of electrolysis? Wed Apr 29 11:35:21 1998
  59. What ingredients are in mothballs? Tue May 5 10:33:38 1998
  60. What causes the shell of a cockroach to be resistant to radiation? Tue May 5 10:51:26 1998
  61. What is the smallest object visible? Wed May 6 06:21:29 1998
  62. Why is the pH of 12 Molar HCl 0 and not -1.07? Thu May 7 16:41:42 1998
  63. How can the phase diagram of water be physically represented without air? Mon May 18 16:56:39 1998
  64. How can a pile of coal combust? Tue May 19 09:37:10 1998
  65. What makes something sublimate? Mon Jun 1 08:46:48 1998
  66. What are the properties and applications of bucky balls? Mon Jun 1 08:48:01 1998

    July-August 1998

  67. H2O water molecules in a covalent bond repel each other, resulting Tue Jul 14 13:33:18 1998
  68. what liquids expand when frozen? Tue Jul 21 14:10:07 1998
  69. Carnauba wax furniture polish formulation Mon Jul 27 14:57:26 1998
  70. Alchemical Symbol for Iron Wed Jul 29 11:23:08 1998
  71. What is the best water to drink? Mon Jul 27 15:54:47 1998
  72. What is the env. impact of India and Pakistan's 12 nuclear tests in 2 wks Fri Aug 14 11:25:59 1998
  73. hydrogen peroxide Tue Aug 18 15:40:41 1998
  74. When did the world acquire the strong gravity we have today???? Wed Aug 26 10:15:19 1998

    September-December 1998

  75. How much heat from the earth's core contributes to our conditions? Mon Sep 14 13:56:45 1998
  76. tornados Mon Sep 14 16:01:00 1998
  77. where is all the data of the internet stored? Mon Sep 14 16:12:08 1998
  78. Mercury in a piston and cylinder Fri Sep 18 11:38:38 1998
  79. Why do the melting points of the transitional metals peak at 6B? Fri Oct 2 16:16:46 1998
  80. what is the limit of light pollution? Mon Oct 12 12:27:33 1998
  81. Will the greenhouse effect be noticble in the next 20 years? Mon Oct 12 13:25:35 1998
  82. Why are there so many kinds of plants and animals on earth? Mon Oct 12 14:22:59 1998
  83. What makes us attractive to the opposite sex? Tue Oct 13 16:53:44 1998
  84. What is the equation to determine Boyle Temperature? Tue Oct 20 16:34:25 1998
  85. curly&Straight hair Tue Oct 20 16:51:45 1998
  86. Can you break the Sound Barrier in space? Tue Oct 20 16:57:38 1998
  87. Moon escaping Tue Oct 20 17:25:21 1998
  88. What do you think nanotubes will be used for in the future? Thu Nov 19 09:40:17 1998
  89. Hydrogen bonds in macromolecules as statistical bonds Thu Nov 19 09:52:45 1998
  90. What chemicals are in the Princeton experiment? Mon Nov 30 13:13:25 1998
  91. Who discovered petroleum first? Tue Dec 1 07:19:57 1998
  92. How do you implode a 55 gallon drum? Tue Dec 1 13:13:02 1998
  93. Is it possible to design molecules which change shapes? Mon Dec 7 16:05:17 1998
  94. Do different measuring devices cause different conclusions? Tue Dec 8 10:05:06 1998
  95. exactly when did the metric system develop? Tue Dec 8 10:23:55 1998
  96. Who first found out about molecules? Tue Dec 8 10:25:05 1998
  97. How do I find the hardness of play-dough? Fri Dec 11 11:57:00 1998
  98. How did the scientists know Pompeii was actually named Pompeii? Fri Dec 11 12:02:26 1998
  99. When and how did noble gasses came about? Fri Dec 18 15:11:19 1998
  100. Is it possible to design Mon Dec 21 12:49:38 1998

    January-March 1999

  101. Halogen comes from the word meaning 'salt' but what kind of salt? Mon Jan 4 08:42:46 1999
  102. anode once refered to positive terminal not negative, of a battery? Mon Jan 4 08:52:33 1999
  103. What was the last plant or animal discovered in the world? Thu Jan 7 12:18:59 1999
  104. What is the difference between Daltonides and Berthollides? Mon Jan 11 07:54:12 1999
  105. How did Avagadro determine the number of molecules in a mole? Fri Jan 15 14:29:08 1999
  106. Why do helium balloons fall faster in a hot room than in a cold room? Mon Jan 25 12:44:15 1999
  107. What does binding energy means as regards nuclear chemistry? Feb 1 16:59:04 1999
  108. Why don't atoms collapse? Fri Feb 5 16:51:59 1999
  109. Information on Technitium. When was it made? When was it dicovered on stars? Fri Feb 5 16:53:52 1999
  110. why the dinosaurs became extinct Sat Feb 6 08:21:16 1999
  111. Reptile vs. Amphibian in Darwin's Voyage of the Beagle Sat Feb 6 08:29:39 1999
  112. what is an alternative for zinc electrode Sat Feb 6 08:37:21 1999
  113. Can a flame conduct electricity? Sat Feb 6 08:56:02 1999
  114. Which is the 1st Lanthanide--Lanthanum or Cerium? Mon Feb 8 09:57:05 1999
  115. Why does chlorine have the chemical symbal Cl? Mon Feb 8 13:31:50 1999
  116. What scientific evidence is there to support that Jesus existed? Mon Feb 22 14:16:39 1999
  117. WHEN DOES IT START THE TWENTY ONE CENTURY? Wed Feb 24 06:50:20 1999
  118. what is 10 to the 40th power? Wed Feb 24 07:07:01 1999
  119. Why is gold less reactive and lower conductivity than copper or silver? Mon Mar 8 07:41:21 1999
  120. When were biological weapons first invented? Wed Mar 17 13:18:43 1999
  121. Why do electron shells have set limits? Wed Mar 17 16:18:14 1999
  122. What is the optimum mix of hydrogen gas and helium gas for maximum lift Thu Mar 18 13:38:09 1999
  123. How did the element 'unnllhexium' get its name? Mon Mar 29 17:22:18 1999
  124. Why does the same chemical (aziridine) appear to be darker in volume? Wed Mar 31 13:39:23 1999

    April-June 1999

  125. How did the nautical speed measurement 'knots' originate? Tue Apr 6 08:29:53 1999
  126. Who founded Nasa ? When did they start it? Why did they found it? Wed Apr 7 13:20:32 1999
  127. How many famous scientists in this century are Christian/Catholic? Thu Apr 8 14:38:27 1999
  128. When using chemical symbols, how is diamond differentiated from graphite? Wed Apr 14 07:45:28 1999
  129. What was the social a. politic. key situation when electricity was invented Mon Apr 19 09:38:46 1999
  130. why are solid crystals aren't conductors Mon Apr 19 09:30:48 1999
  131. Whose gravestone contains only his name and the small letter 'H' Wed Apr 21 08:11:35 1999
  132. How did Sir Isaac Newton discoveries the law of gravity? Wed Apr 21 09:43:50 1999
  133. Did Neil Bohrs sabotage his work during WWII??? Wed Apr 21 09:46:36 1999
  134. What's the most important concept in science? Mon Apr 26 14:31:32 1999
  135. How can some aqueous ions be listed as having a negative entropy? Fri May 7 15:42:07 1999
  136. What caused Galileo to become blind? Fri May 7 15:49:42 1999
  137. Why do all scientists have ologist at the end of their name? Fri May 7 15:51:46 1999
  138. where did the terms inch, yard, foot come from? How were they derived? Mon May 10 15:13:58 1999
  139. Does the water's temperature affect how nucleophile it is? Tue May 11 15:33:40 1999
  140. Why can XeF2 occur? Tue May 11 17:01:58 1999
  141. Is there a trend in the P.T. for threshold frequency in photoelectric effect? Thu May 13 14:23:16 1999
  142. Why are elements 104-109 on ref. table if wedon't know anything about them? Fri May 21 09:15:23 1999
  143. What is the Lewis structure of he ClO- ion and the ClO2- ion? Mon May 24 08:46:18 1999
  144. Who invented the stapler? Wed May 26 08:47:46 1999
  145. Nitrocubanes. Is there a way to do a project with this molecule? May 27 10:27:25 1999
  146. In a bat and ball collision, is momentum conserved, why or why not? Tue Jun 1 13:33:26 1999
  147. What is the difference between A moon and A planet? Tue Jun 1 13:40:53 1999
  148. Why do some soda cans sink while others float? Tue Jun 1 14:05:53 1999
  149. Diamond from methane gas Tue Jun 8 12:24:56 1999
  150. Why can your mouth resist heat better than your skin can? Tue Jun 8 12:39:58 1999
  151. How are oil spills cleaned up and what are some methods used? Tue Jun 8 12:51:13 1999
  152. How has salinity of seawater varied over geologic time? Thu Jun 17 15:18:52 1999
  153. Can scientists make valid arguments of what is taught in the Bible? Thu Jun 17 15:27:29 1999

    July-September 1999

  154. Is cyanide organic or inorganic? Please suggest a text on its chemistry Thu Jul 1 14:32:11 1999
  155. In water, if the O atom were an orange, how far away would the H atoms be? Thu Jul 1 14:36:30 1999
  156. Is it possible to recreate a moon's atmosphere at home? Tue Jul 6 15:29:45 1999
  157. How can I protect authorship of a theory? Fri Aug 6 10:12:02 1999
  158. Why are ships,trains,etc. referred to as 'she'? Fri Aug 6 10:29:07 1999
  159. What is the big mystery behind the infamous bermuda triangle??? Fri Aug 6 10:54:04 1999
  160. Where did PI come from. Who first discovered it? Fri Aug 6 11:04:52 1999
  161. What happens when a particle collides with an antiparticle? Tue Aug 17 08:32:42 1999
  162. Why does a choo choo (steam loco) make a choo choo sound? Wed Aug 18 10:43:58 1999
  163. Who invented an autommobile engine that does not have spark plugs? Wed Aug 18 10:48:58 1999
  164. When was it decided to use the Christian calendar? Wed Aug 25 11:20:52 1999
  165. Why does the time zone lines not go straight, north to south? Tue Aug 31 08:52:58 1999
  166. Is there a generator which uses CO2 phases to make electricity? Tue Aug 31 08:45:35 1999
  167. What experiments could I do to prove that beta particles are electrons? Tue Aug 31 12:53:51 1999
  168. Standard for Meter and Kilogram Thu Sep 2 10:53:13 1999
  169. Is it possible to lower the boiling point of water by adding a substance? Thu Sep 2 09:22:44 1999
  170. Why do we denote the speed of light as c (small letter c)? Mon Sep 6 07:09:59 1999
  171. How do I determine the type of an unknown acid? Tue Sep 7 14:20:30 1999
  172. Why does 100 ml MeOH + 100 ml H20 = < 200 ml soln? Tue Sep 7 15:10:36 1999
  173. HOW IS THE STRUCTURE OF Cu-Cl DRAWN UP? Mon Sep 13 14:04:26 1999
  174. Why is a clock devided in 12 hrs and not in 24? Wed Sep 15 09:35:43 1999
  175. Who invented the thermometer? Wed Sep 15 10:10:53 1999
  176. Where can I find information on the history of the Periodic Table? Thu Sep 16 17:08:33 1999
  177. old sounds on potteries made with the sgraffite method Fri Sep 17 09:08:58 1999
  178. Why is the ionization energy of phosphorus lower than that of silicon? Wed Sep 15 09:32:47 1999
  179. Can Hydrogen Peroxide reform after decomposing in normal conditions? Wed Sep 15 09:34:12 1999
  180. Why food goes stale... Thu Sep 16 17:37:17 1999
  181. What's the difference between degrees Celsius and degrees Centrigrade? Mon Sep 20 07:21:16 1999
  182. Why is there no standardisation in the arrangement of numeric keys? Mon Sep 20 07:35:08 1999
  183. How does gold react with oxygen? Wed Sep 22 09:20:40 1999
  184. poor poeple and the queen Thu Sep 23 18:42:52 1999
  185. How was the atom first split in 1942? Mon Sep 27 13:19:10 1999
  186. Is Sunday or Monday the first day of the week? Mon Sep 27 13:24:50 1999
  187. What scientist said,'Eureka, I've got it?' Mon Sep 27 13:58:32 1999

    October-December 1999

  188. Does coldness affect Vitamin C? Tue Oct 5 09:48:44 1999
  189. How are percent naturally occurring isotope abundances determined? Tue Oct 5 09:53:25 1999
  190. How can you be sure of the amount of carbon that enters an organisn's body? Wed Oct 6 11:20:07 1999
  191. why are there 28 days in february Fri Oct 8 13:06:41 1999
  192. What area of Science was Thomas Coon (Koon?) related, Suggest Links? Wed Oct 13 10:06:55 1999
  193. Formula weight & electron mass Wed Oct 13 16:46:54 1999
  194. What came first - petrol or the petrol engine? Thu Oct 14 12:47:01 1999
  195. Oxalic acid and calcium nitrate for nitric acid Fri Oct 15 15:50:00 1999
  196. Why is Avogadro's number called the mole? Thu Oct 21 18:35:10 1999
  197. Do you know why Albert EInstein's hair was straight up? Thu Oct 21 18:38:45 1999
  198. What chemical in nail polish causes it to dry fast? Fri Oct 22 10:46:40 1999
  199. What is the difference between a theory and a law? Mon Oct 25 14:01:29 1999
  200. where exactlly did civilization start? Thu Oct 28 10:18:48 1999
  201. What in an orange peel makes it smell orangey? Fri Oct 29 10:08:01 1999
  202. If asteroids pass close how will tides be affected or how will the orbit of Fri Oct 29 12:42:46 1999
  203. How can you make ice without electricity or without a fridge? Thu Nov 4 08:18:33 1999
  204. How was the Bohr model developed? Thu Nov 4 08:20:30 1999
  205. How did Carl Wilhelm Scheele actually discover chlorine gas? Thu Nov 4 08:39:08 1999
  206. Why is slavery morally and religiously incorrect? Fri Nov 5 10:38:36 1999
  207. If an airplane flies upside down will the contents of a glass spill? Fri Nov 5 13:56:46 1999
  208. Why are there only 3 time zones between NY & LA and 5 between NY & London? Fri Nov 5 14:38:17 1999
  209. Can the source of ascorbic acid be identified in a fruit powder or juice? Tue Nov 9 08:56:30 1999
  210. How do scientists pass on information to the rest of the world? Thu Nov 11 10:57:16 1999
  211. How do I extract lavender oil? Fri Nov 12 13:29:14 1999
  212. What does in plane and out of plane mean [in IR spectroscopy]? Tue Nov 16 09:30:56 1999
  213. Why is it that you can heat a room with a stove but can't cool a room with a refrigerator? Tue Nov 16 09:31:55 1999
  214. How is evaporation different from boiling? Thu Nov 18 15:31:59 1999
  215. WHAT IS 'SALT ACID'? Thu Nov 18 16:04:06 1999
  216. Why is cold water denser than hot water? Tue Nov 23 12:22:09 1999
  217. Why do you need to put a bung on a conical flask of Lithium Hydroxide in aq Wed Nov 24 07:01:10 1999
  218. Why do water drops stay on Tupperware? Wed Nov 24 07:22:14 1999
  219. How is pure oxygen seperated and made pure? Sun Nov 28 12:16:06 1999
  220. who discovered the great red spot? Sun Nov 28 03:22:28 1999
  221. does adding different checmicals to water affect its evaporation rate? Sun Nov 28 03:36:42 1999
  222. why is resolution of a mixture of enantiomers difficult? Sun Nov 28 03:48:53 1999
  223. Are there any true-scale models of the solar system? Sun Nov 28 04:44:46 1999
  224. tyndall effect reading material for 7th grade Mon Nov 29 13:05:22 1999
  225. What type of acid(s) is in fruits to be able to generate electricity? Mon Nov 29 13:06:52 1999
  226. Why is liquid PCl5 a good conductor of electricity? Mon Nov 29 13:08:27 1999
  227. Why doesn't a DISPERSION force repell as strongly as it attracts? Fri Dec 3 12:46:25 1999
  228. What is organic chemistry? Fri Dec 3 13:18:09 1999
  229. What are; independent variables, dependent variables and control variables? Tue Dec 7 09:44:43 1999
  230. why do cokes in can explode after being in freezer to long Wed Dec 8 11:25:02 1999
  231. How do I test basicity of no-lye & hair texturizer cream? Fri Dec 10 09:23:14 1999
  232. Valence electrons and energy levels?? Fri Dec 10 08:45:31 1999
  233. how does gold achieve an oxidation state of +3 in addition to its +1 Fri Dec 10 09:06:38 1999

    January-March 2000

  234. is isopropyl alcohol enviornment freindly especially for ozone layer? Mon Jan 3 09:57:02 2000
  235. changing the value of pi Fri Jan 7 09:14:11 2000
  236. What happens chemically when roads and sidewalks crack in the winter? Mon Jan 10 12:18:29 2000
  237. Who originally discovered the theory of natural selection? Mon Jan 17 15:59:56 2000
  238. What criteria unambiguously distinguishes 'science' from 'non-science'? Tue Jan 18 07:17:31 2000
  239. Is there a monoatomic periodic table? Fri Jan 21 17:05:27 2000
  240. Does salt affect the temperature of water? Sat Jan 22 11:31:33 2000
  241. Whats up with the Lewis dot structure of sulfate? Fri Jan 28 12:38:22 2000
  242. Are the rings in ferrocene constantly rotating? Wed Feb 2 16:34:01 2000
  243. What happens at the edge of the carbon Sun Feb 6 12:58:03 2000
  244. How can the hybridization of linear molecules be determined?namely ClO- Sun Feb 6 13:42:10 2000
  245. I have read the How does fruit produce electricity? Sun Feb 6 13:57:25 2000
  246. Has the rate of new inventions/technologies increased recently? Sun Feb 6 12:35:14 2000
  247. Why does chlorine make my skin feel soapy? Sun Feb 6 13:07:53 2000
  248. What was the first element to be dicovered? Tue Feb 8 16:16:21 2000
  249. Why does baking sodacitric acid, fizz when placed in water? Tue Feb 8 17:33:18 2000
  250. What temperature is Liquid Nitrogen kept at? Tue Feb 8 17:39:03 2000
  251. Why is the periodic table so uniquely shaped? Wed Feb 9 12:42:57 2000
  252. After a gas is cooled to absolute zero can it be heated back up? Wed Feb 9 13:00:34 2000
  253. polymerization of ethylene, why does one double carbon bond break Wed Feb 9 14:49:07 2000
  254. How to best keep the carbonation in a bottle of coke Tue Feb 15 17:52:32 2000
  255. In the decomposition of Nitroglycerin why is 'HNO' in quotations? Thu Feb 24 07:45:51 2000
  256. Are colors real or is it just our eyes perceiving it? Thu Feb 24 08:09:03 2000
  257. What is the proper lewis structure for NO2, and its properties? Thu Feb 24 11:23:26 2000
  258. Why would lime absorb carbon dioxide? Thu Feb 24 19:25:36 2000
  259. Is it possible for a complex to have a fractional coordination number? Thu Feb 24 19:32:28 2000
  260. How does Ascorbic Acid act within distilled water once heated Fri Feb 25 15:34:34 2000
  261. Why does Tungsten not 'Kick' up an electron from the s sublevel? Fri Feb 25 15:36:03 2000
  262. Mass of gas particles vs. liquid mass Fri Feb 25 16:03:04 2000
  263. Why do some elements have symbols that have nothing to do with their name? Mon Mar 13 09:15:01 2000
  264. Can you tell me how to see whether a food is an acid, or a base? Fri Mar 17 16:03:40 2000
  265. Why does a candle in a sealed jar extinguish faster while falling? Sun Mar 19 18:37:39 2000
  266. What would be a good mixture for showing fractional distillation? Sun Mar 19 18:45:55 2000
  267. How do you remove the smell of dog and cat urine from carpet? Wed Mar 22 07:43:42 2000
  268. why are basketball and volleyball players so tall? Thu Mar 23 13:59:51 2000
  269. Why does water freeze clear outdoors and cloudy in a freezer? Wed Mar 29 07:58:27 2000
  270. How are the protons, neutrons, electrons placed on a nitrogen atom model Thu Mar 30 08:04:29 2000
  271. Dipole moment's relationship to hydrogen bonding? Wed Mar 29 07:57:04 2000

    April-June 2000

  272. What on the molecular level enables glue to stick to substrates? Thu Apr 13 10:27:27 2000
  273. Why does a Red Cabbage indicator turn acidic? Thu Apr 13 10:35:58 2000
  274. What happens to a dead body in space? Thu Apr 13 15:02:30 2000
  275. Conduction through electrolyte solution Thu Apr 13 15:05:54 2000
  276. making gaffilta fish from white fish? Thu Apr 13 15:07:16 2000
  277. Why are atomic orbitals the shape that they are? Thu Apr 13 15:52:16 2000
  278. Why hasn't another person walked on the moon since Apollo 17? Thu Apr 13 10:03:32 2000
  279. melting plastic with out burning Tue Apr 25 14:05:52 2000
  280. In chemistry, what does 'Me' stand for? Thu Apr 27 17:44:15 2000
  281. Why is that paper contains carbon? Thu Apr 27 19:25:03 2000
  282. Why is an egg able to survive a long fall when it lacks its shell? Thu Apr 27 19:29:50 2000
  283. Why having male child important in most cultures aroung the world? Mon May 15 15:01:27 2000
  284. how do squirrels manage to run across power lines without falling? Mon May 15 15:47:41 2000
  285. Kinetic-Molecular Theory for gases Thu May 18 12:36:24 2000
  286. When all fruits were combined, why'd it produce the same voltage as one? Thu May 18 12:40:07 2000
  287. Why should I believe in evolution? Thu May 18 15:22:40 2000
  288. What happens do diamond if it is melted (and boiled) and then cools again? Tue May 23 14:46:42 2000
  289. chemical composition (organic) of alcohol & effect of maturing on it Wed May 24 08:38:02 2000
  290. Why is an anion much bigger than its atom? Thu May 25 10:16:35 2000
  291. What are the actual names of the elements 101 and beyond? Wed Jun 21 11:31:26 2000
  292. Where can I go on the internet to find information on female scientists? Wed Jun 21 11:47:35 2000
  293. What is the link between science and technology? Thu Jun 22 12:13:18 2000
  294. Why is a stream of H2O bent by a balloon charged with static electricity? Tue Jun 27 14:37:53 2000
  295. Will I damage my LP records if I clean them with ISO propyl alcohol? Tue Jun 27 14:47:07 2000
  296. Are organically grown tomatoes radioactive? Fri Jun 30 16:53:41 2000
  297. Is there a way for a non-scientist to submit an experiment proposal? Fri Jun 30 17:00:32 2000

    July-September 2000

  298. How do you make foam? Sat Jul 1 09:03:53 2000
  299. Calculating the Relative Atomic Mass of Elements accurately Sat Jul 1 12:32:10 2000
  300. The energy requirement stated in the text books? Sat Jul 1 12:31:19 2000
  301. How do you prepare a Aromatic hydrocarbon Mon Jul 3 18:35:54 2000
  302. Where can I find tables of Rf values? Mon Jul 10 17:09:29 2000
  303. How can you determine the distance between lines of latitude? Sat Jul 15 11:56:49 2000
  304. Why is there no category in your list of subjects labelled, 'Creation'? \ Tue Jul 18 09:20:56 2000
  305. How much energy can you obtain by detonating 1 Kg of TNT? Tue Jul 18 12:30:24 2000
  306. Briefly, what exactly is a physical change? Wed Jul 19 17:04:21 2000
  307. How were glasses invented? How were sight deficiencies first detected? Sun Jul 23 22:06:21 2000
  308. If ferrocene have rotating Cp rings, why 1,2 subst. ferrocene is chiral? Mon Aug 7 13:06:58 2000
  309. CAN A TANNING BED FRY YOUR INSIDES SO THAT YOU CAN'T HAVE BABIES Mon Aug 7 13:23:18 2000
  310. Helium aquisition and storage Mon Aug 21 14:59:37 2000
  311. Are there an compounds in which carbon is involved in a ionic bond? Tue Aug 29 18:04:20 2000
  312. What is normality and how can I convert molarity into normality? Wed Aug 30 13:27:47 2000
  313. How does science explain the appearance of a face on the Shorud of Turin Wed Sep 6 11:49:13 2000
  314. How much ice is needed to cool 28,000 gal. of water from 90 to 85 degrees? Mon Sep 11 18:13:11 2000
  315. Why electronegativity of carbon in methane is less than the carbon in ethene Tue Sep 12 09:11:53 2000
  316. Why can Period 3 only contain upto 8 electrons, not 18? Tue Sep 12 09:12:40 2000
  317. Is Sodium Benzoate toxic? Any connection to Benzine? Tue Sep 5 16:15:48 2000
  318. What is the best way to make density accurate? Tue Sep 26 11:36:23 2000

    October-December 2000

  319. Why does some super cooled fluid remain in a liquid state until Fri Oct 6 13:34:41 2000
  320. Why did Mendeleev leave out the noble gases in his periodic table? Fri Oct 6 13:44:39 2000
  321. how can a person become a scientist?or how do you know you are? Tue Oct 10 11:27:38 2000
  322. why is glycerin in toothpaste Mon Oct 16 16:17:11 2000
  323. What are the effects of megadoses of phosphoric acid on the human body? Mon Oct 16 16:23:15 2000
  324. what are the advantages od S.I. over U.S. coustomary system of measure Mon Oct 16 17:17:22 2000
  325. Why don't two carbon atoms form a molecule with four covalent bonds? Wed Oct 18 11:40:10 2000
  326. Why are coins made of metal? Thu Oct 26 13:15:35 2000
  327. Does an element have only one kind of atom? Thu Oct 26 12:54:51 2000
  328. how do you make greek fire from easy to fine/make chemicals? Mon Oct 30 13:52:50 2000
  329. Who has the honor of naming a new element? Mon Nov 6 11:53:52 2000
  330. Why is it easy to prove that a material is not an element? Mon Nov 6 11:54:44 2000
  331. What is the difference between dry and liquid measure when cooking? Mon Nov 6 11:55:25 2000
  332. How do we extract oxygen out of the air? Mon Nov 13 17:15:02 2000
  333. dinosaur size and body biology Mon Nov 6 17:34:43 2000
  334. Why is greek and latin used for scientific terms? Tue Nov 14 09:03:41 2000
  335. Difference between physical, earth, environmental, and natural science? Tue Nov 14 11:13:19 2000
  336. How do the chemicals in a fire extinguisher put out a fire? Tue Nov 14 11:19:12 2000
  337. Nomenclature for Stannous Oxide Mon Nov 20 15:59:23 2000
  338. How effective is an indigestion tablet at neutralising acid Fri Nov 24 11:47:54 2000
  339. Why do my wires light up a lightbulb with a battery and not with a lemon Wed Nov 29 16:57:36 2000
  340. what is the difference detween an inorganic and organic compound? Thu Nov 30 12:02:32 2000
  341. what 1800's scientific discoveries could have createdmary shelleys monster Mon Nov 27 18:01:52 2000
  342. What was used before toilet paper? Tue Dec 12 14:33:14 2000

    January-March 2001

  343. If the fourth shell of an atom has 4 electrons, does it prefer 4+ or 4-? Tue Jan 16 09:23:22 2001
  344. Why doesn't a frozen candle burn slower than a room temp candle? Tue Jan 23 09:20:09 2001
  345. Under what conditions will the Ideal Gas Law NOT be valid? why? Tue Jan 30 16:21:13 2001
  346. my professor says that water is a conductor, i disagree Tue Jan 30 16:41:55 2001
  347. How is it that K2Cr2O7 is an equilibrium mixture containig CrO4 ions? Mon Feb 12 13:38:20 2001
  348. what happens to the extra proton in a beta emission? Fri Feb 16 12:04:01 2001
  349. Would it be possible to estimate the age of my body atoms? Fri Mar 2 11:29:32 2001
  350. examples of advances due to fortuitous observations? Fri Mar 2 11:25:54 2001
  351. Where can I find zinc strips for my science experiment? Fri Mar 2 11:44:41 2001
  352. what is the difference between strong acid and concentrated acid? Fri Mar 2 14:49:09 2001
  353. How are the AO's in IF7 selected to make a d3sp3 hybrid? Fri Mar 2 14:47:33 2001

    April-June 2001

  354. Why do clock faces use Roman IIII not IV for the number four? Mon Apr 2 16:07:18 2001
  355. I don't understand why scientist use B.C If they believe man came from Ape Fri Apr 6 14:58:52 2001
  356. Why does my voice sound different on a tape recording? Wed Apr 11 11:15:08 2001
  357. Some atoms can have more than eight outer electrons. Why? Thu Apr 12 14:04:01 2001
  358. What would plasma become if it is further heated over a VERY STRONG flame? Sun Apr 15 22:21:58 2001
  359. What is the velocity of electrons in each of the orbitals/sublevels of atom Fri Apr 20 13:31:56 2001
  360. What are 'anti-bonding' orbitals? Thu Apr 12 09:00:57 2001
  361. Could a chemical containing only nitrogen exist such as N(N3)3? Mon Apr 16 15:26:52 2001
  362. If air were 100% oxygen, would burning be faster or slower? Sun Apr 22 13:05:15 2001
  363. Do men have fewer ribs than women as per Adam and Eve? Sun Apr 22 13:10:21 2001
  364. Do phosphorus and sulfur have d orbital electrons? Mon Apr 23 15:03:01 2001
  365. Pauli Exclusion Principle inconsistent with electron localization Wed May 2 10:36:02 2001
  366. Why does Coca-Cola eat away at metal, but is still drinkable? Thu May 3 08:58:09 2001
  367. concerning the oxidation numbers in sodiumtetrathionate Wed May 2 13:49:49 2001
  368. artifical gravity, how does it work? Fri May 25 09:44:13 2001
  369. How influential has science fiction been on science? Tue May 29 12:45:21
  370. Why should subscripts not be changed to balance an equation? Fri Jun 1 12:27:51 2001
  371. What is the molecular formula of clorox? Fri Jun 1 12:59:49 2001
  372. How can there be fossils of green plants in Antarctica? Mon Jun 18 10:40:37 2001
  373. Why is carbon the ONLY element to link in long chains? Mon Jun 18 16:09:59 2001
  374. Is sulfur hybridized in S(CH3)2? in such case, what is the hybridization? Mon Jun 25 17:41:21 2001

    July-September 2001

  375. What can I do to improve my college basic chemistry skills? Thu Aug 2 02:32:33 2001
  376. is ionized helium chemically reactive? if not, why not? Thu Aug 2 03:48:05 2001
  377. how much does the air in a basic car tire weigh? Thu Aug 2 12:29:23 2001
  378. Is it possible to use gravity as an energy source? Thu Aug 2 12:30:16 2001
  379. How do meteorites explode? Sat Aug 4 16:25:23 2001
  380. Evolution or a greater power? Tue Sep 11 10:26:47 2001
  381. what are the solvents used in paint industries for titanium dioxide? Tue Sep 11 10:42:47 2001
  382. How does one arrive at a 306 cubic foot volume of Oxygen at 2400 psi? Mon Sep 17 15:56:50 2001
  383. Is gasoline considered a homogeneous mixture or heterogeneous mixture? Mon Sep 17 16:12:23 2001
  384. A mole is a count of items. The no. is exact but unknown. How can this be? Mon Sep 17 16:20:16 2001
  385. Why is candle wax a sample of a hydrocarbon? Mon Sep 17 16:33:00 2001

    October-December 2001

  386. why is Relative Atomic Mass called this? what is it 'relative' to? Tue Oct 2 07:59:37 2001
  387. What is the difference between a compound and molecule? Sun Oct 14 19:19:14 2001
  388. When was Gallileo pardoned by The Church? Sun Oct 14 20:07:34 2001
  389. Who discover first fossil? Who name it? Sun Oct 14 20:15:50 2001
  390. Can washing soda be used for the same purpose as baking soda? Sun Oct 14 19:06:18 2001
  391. What is the vaporization , boiling points and flash points of gasoline? Mon Oct 15 13:54:10 2001
  392. Some college applicants have already done amazing research; how & where? Tue Nov 13 11:40:40 2001
  393. Which bonds are truly stronger, ionic or covalent? Tue Nov 13 18:28:24 2001
  394. Was Harry Houdini a real magician? Mon Dec 3 10:09:58 2001
  395. Why is ascorbic acid an acid if it has no COOH group? Fri Dec 14 12:32:58 2001
  396. Why are most of the elements in the Periodic Table solids? Fri Dec 14 12:29:05 2001
  397. Why is BF3 monomeric and not a dimer? Fri Dec 14 12:31:04 2001
  398. Does citric acid show any form of stereoisomerism? Thu Dec 27 11:04:36 2001

    January-March 2002

  399. can you find a scientist that invented the first book? Wed Jan 9 11:42:39 2002
  400. HOW TO FLOAT AN OBJECT WITH HELIUM IN AN AIR TIGHT BOX? Thu Jan 24 14:28:53 2002
  401. What chemical is used in longlasting nail ploish to make it last longer? Fri Jan 25 10:45:59 2002
  402. what is exactly the path of a p-orbital? Fri Jan 25 17:01:38 2002
  403. why is ozone not in the periodic table? Mon Jan 28 08:55:55 2002
  404. Who discovered the world was round and what year was it? Thu Jan 31 13:54:41 2002
  405. Where can I obtain small amounts of chemical elements for a collection? Fri Feb 1 10:26:52 2002
  406. Percent weight volume solutions? Mon Feb 4 14:53:56 2002
  407. Defining the word 'anation.' Mon Feb 4 13:39:27 2002
  408. What fossils were found in the polar region? Mon Feb 4 11:37:07 2002
  409. How many teeth did the admantasaurus dinosaur have? Thu Feb 14 11:17:53 2002
  410. Leaving Groups in Organic Chemistry Mon Feb 18 10:46:50 2002
  411. Please explain about the different stable forms of ferrocene Mon Feb 18 15:03:09 2002
  412. Who invented the 'English system' of measurements? Mon Feb 18 13:59:32 2002
  413. what does a piece of fabric's reaction to bleach state about it? Fri Mar 1 10:42:03 2002

    April-June 2002

  414. Why is it that when think steel bars are heated that water starts dripping? Wed Apr 3 11:57:41 2002
  415. Why do boy music groups/bands sound like girl music groups/bands? Wed Apr 10 11:25:54 2002
  416. Is helium reactive with bottom left elements? Wed Apr 24 13:44:02 2002
  417. SHOULD A 9 YR OLD DO A SCIENCE PROJECT USING ACID Thu May 9 16:00:30 2002

    January-March 2003

  418. Who discovered carbon, when and how? Wed Feb 12 14:15:04 2003
  419. what causes nitrogen to be different than oxygen/carbon (atomic radius)? Wed Feb 12 13:48:35 2003
  420. What color were dinosaurs? Fri Mar 21 14:20:59 2003

    April-June 2003

  421. To what extent does our physical knowledge depend on our senses? Tue May 13 10:24:34 2003
  422. Are there any Forensic Science Colleges in Illinois? Thu May 22 13:53:07 2003
  423. Alkenes and alkynes... nomenclature issues Mon Jun 9 14:55:42 2003
  424. why is boron an exception to the octet rule? Tue Jun 10 13:27:37 2003

    July-September 2003

  425. Is there a liquid that a person cannot float in? Thu Jul 3 16:13:33 2003
  426. Why is the angle between the two hydrogen atoms in H2O 104.5 rather than 90 deg? Thu Jul 3 16:03:39 2003
  427. What the heck is depleted uranium? Mon Jul 14 14:22:53 2003
  428. light speed and death Tue Jul 22 16:50:36 2003
  429. What is 1,3-Hexadiene, and how is it relevant? Tue Aug 5 15:42:07 2003
  430. Can burning LPG or charcoal produce harmful gases? Tue Aug 5 16:25:50 2003
  431. Why is C-H bond non-polar, and O-H bond polar? Mon Sep 15 13:16:31 2003
  432. Mixture and separation of compounds Thu Sep 18 15:54:38 2003
  433. Why is the common name ethylene glycol used? Mon Sep 29 09:15:12 2003

    October-December 2003

  434. differential equations and physics Mon Oct 13 09:52:32 2003
  435. Why was there a green residue on the wire in my ionic compund experiment? Tue Oct 14 10:30:23 2003
  436. How does self raising flour make a cake rise? Mon Nov 10 13:31:58 2003
  437. What is the purpose of carbon in the 10% palladium-on-carbon? Mon Nov 10 13:43:28 2003
  438. What is the electrolyte in a potato? Mon Dec 1 09:52:30 2003
  439. How does relative dating work? Wed Dec 3 13:31:03 2003
  440. In regards to the C-C triple bond why is acetylene flamable? Why is NN not? Sun Dec 21 13:45:02 2003

    January-March 2004

  441. How do I safely melt household plastics? Tue Jan 6 15:38:20 2004
  442. Can you centrifuge a solution fast enough to separate the components? Tue Jan 13 15:18:30 2004
  443. The mechanics of a miracle Wed Jan 14 15:39:20 2004
  444. Pounds of CO from combustion of 1gal. of reg.unleaded gas? Mon Feb 2 11:26:49 2004
  445. Why is the chlorine ion a stronger reducing agent than water? Thu Feb 12 13:24:21 2004
  446. who discovered or isolated mercury the element Mon Feb 23 10:51:51 2004

    April-June 2004

  447. Why does the ozone form a 'layer' in the atmosphere? Mon Apr 5 11:14:22 2004

    July-September 2004

  448. At what temperature will Vodka / Jagermeister freeze? Tue Jul 6 20:25:23 2004
  449. who invented the battery? Wed Sep 15 11:40:46 2004
  450. Are ionic bonds stronger than covalent bonds? Wed Sep 15 12:02:15 2004

    October-December 2004

  451. What is the differance between an empirical formula and a molecular formula Mon Oct 25 11:00:31 2004
  452. What is the hour GMT? Tue Nov 9 09:09:22 2004
  453. why doesn't evaporation occur over the ocean? Tue Nov 9 09:15:24 2004
  454. best effeciency for a beer/coke box Tue Nov 9 09:20:17 2004

    January-March 2005

  455. what are some D-Glucose derived diamines and how do I make them? Fri Jan 28 13:08:47 2005

    April-June 2005

  456. HOW and WHY does Calcium form a Ca2+ ion Sun Apr 3 14:39:57 2005
  457. My Potato Battery loses power very quickly Mon May 16 14:57:55 2005
  458. What would cause copper piping to turn Blue? Fri Jun 17 12:25:41 200

    July-September 2005

  459. can the electron configuration of ruthenium (Ru) be written as 4d6 5s2 instead of 4d7 5s1? Mon Jul 4 11:01:54 2005
  460. Let me get this straight: The moon has an atmosphere? Mon Jul 4 10:05:47 2005
  461. Will liquid water freeze or boil/vaporize in deep space? Tue Jul 5 08:45:16 2005
  462. HOW ARE ATOMIC RADII CALCULATED FROM COVALENT BOND LENGTH? Sun Aug 7 15:30:17 2005
  463. What does recycled paper consist of? Sat Aug 27 09:55:37 2005
  464. Can tequila or liquor freeze and if so what temperature Sat Aug 27 10:17:28 2005
  465. Relationship between Activation Energy and Bond Energies Tue Sep 6 15:26:45 2005
  466. What was the Chalybes'/Hittites' secret? Fri Sep 23 11:17:59 2005
  467. what compound is a constitutional isomer of cis-2-pentene? Fri Sep 23 11:37:38 2005
  468. Determine the partial pressure of gases in reaction vessel in lab Fri Sep 23 12:38:19 2005
  469. How do calculate the percent salinity in a water sample Tue Sep 27 11:17:46 2005

    October-December 2005

  470. Easy ways to study for this topic that stay in your head Thu Oct 6 09:37:16 2005
  471. H3PO4 is tri-basic while H3PO3 is di-basic, why? Fri Oct 21 10:06:06 2005
  472. If a water bottle is refilled, will chemicals be induced? Fri Oct 28 12:48:49 2005
  473. How would you split atoms in normal oxygen? Fri Oct 28 13:01:33 2005
  474. What was the model of the atomic structure before John Dalton's model? Mon Oct 31 14:58:21 2005
  475. Why are sand filled hourglasses shaped the way they are? Thu Nov 17 10:38:06 2005
  476. What is the best area of specialization for me? Mon Dec 5 10:31:19 2005
  477. Why can't we have snow all year round? Mon Dec 5 10:48:51 2005
  478. Ash...Can it burn again??? Tue Dec 6 10:06:04 200
  479. What is inside a safety thermometer? Tue Dec 6 10:34:36 2005
  480. What type of chemical bond does ammonium chloride have? Tue Dec 20 10:04:29 2005

    January-March 2006

  481. Could we clone trilobytes or other fossil invertebrates? Mon Jan 16 08:03:51 2006
  482. How did we come to the conclusion that fruits produced electricity? Tue Jan 24 12:43:59 2006
  483. What is the actual freezing point of water (temp) Thu Feb 2 13:39:28 2006
  484. Is it true that gas particles at higher altitudes are farther away from... Fri Feb 10 06:48:27 2006
  485. Is there life on another planet? Mon Feb 20 14:35:00 2006
  486. Why don't chlorine gas bubbles rise when salt dissolves? Mon Feb 20 14:17:50 2006

    April-June 2006

  487. Does water change its properties if left in a jar for 24 hours? Mon Apr 10 13:08:39 2006
  488. If carbon has 4 valence electrons why isn't it a metalloid? Tue Apr 11 08:36:59 2006
  489. Why the molar mass of an alcohol affects its enthalpy of combustion Tue Apr 11 08:50:12 2006
  490. in aspirin synthesis, why does sulphuric acid give a lower yield than H3PO4? Thu Apr 13 07:57:41 2006
  491. how much vinegar & baking soda is needed to maximize the production of CO2?

    July-September 2006

  492. 3% CO2 remains in H2O as carbonic acid; rest 97% in a closed vessels? Fri Aug 11 13:16:19 2006

    January-March 2007

  493. Are the quantities of hydrogen gas produced by a lemon battery dangerous? Wed Feb 14 14:16:47 2007

    July-September 2007

  494. The future with no Astronomy Major? Tue Aug 28 13:19:32 2007

    October-December 2007

  495. At what temperature does a diamond become a liquid? Wed Sep 26 09:28:44 2007
  496. What would be the freezing/boiling pts of water if it did not have h-bonds? Mon Oct 8 14:26:48 2007
  497. Are our solar systems little atoms in a bigger universe? Fri Nov 30 08:48:11 2007

    January-March 2008

  498. why would a potato battery run longer than a lemon battery? Wed Feb 13 08:29:25 2008
  499. When a photon is stretched by the expanding universe were does the energy go? Sun Mar 9 17:30:07 2008

    October-December 2008

  500. I know that carbon dating was not founded until 1949 Mon Dec 15 08:36:49 2008

    January-March 2009

  501. Acid or the Salt that carry the electrical charge for Potato Battery? Fri Jan 23 15:24:45 2009

    January-March 2010

  502. Why is there so much mercury in coal compared to modern plants? Tue Jan 5 13:10:33 2010
  503. How paleontologists develop an image of an animal? Thu Mar 18 13:11:59 2010


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