Chemistry - November 2006

2006-11-14 10:14:15 · 1 answers · asked by kimmie082krunk 1

2006-11-14 10:13:20 · 1 answers · asked by kimmie082krunk 1

2006-11-14 09:48:28 · 7 answers · asked by Anonymous

Carbonated beverages get their effervescence from dissolved CO2 gas. The bite comes from the acidic nature of the beverage resulting from the following reaction.

H2CO3(aq) + H2O(l)<---> HCO3-(aq) + H3O+(aq)

Determine the pH of a solution that is 6.39 10-4 M in H2CO3.

2006-11-14 09:41:17 · 1 answers · asked by ryan j 1

2006-11-14 09:29:58 · 1 answers · asked by mbtafan 3

Analyze wheter dinitrogen tetroxide has covalent or ionic bonds. Describe how you reached this conclusion.

2006-11-14 09:27:01 · 2 answers · asked by exxohh<3 1

Please help

2006-11-14 09:26:39 · 2 answers · asked by ♥ 6

2006-11-14 09:19:49 · 2 answers · asked by exxohh<3 1

uhh.. I have no idea.

2006-11-14 09:15:07 · 3 answers · asked by bebeeangeldust 4

If the percent yield of the above reaction is found to be 94.34 %, how many grams of H2O are actually produced ?

2006-11-14 09:14:19 · 3 answers · asked by simonkf2002 1

Draw the structural formula for acetylene. Atoms bond in the order HCCH. Carbon and hydrogen atoms share 2 electrons, and each carbon atom must have a total of four bonds. How many electrons do the carbon atoms share?

2006-11-14 09:08:17 · 5 answers · asked by exxohh<3 1

what can you say about the proportion of hydrogen ions and hydroxide ions in a solution that has a pH of 2???

2006-11-14 09:03:36 · 1 answers · asked by jouliette 1

Would the following have an ionic or covalent bond?

a. magnesium oxide, MgO
b. strontium chloride
c. ozone
d. methanol

2006-11-14 08:56:52 · 4 answers · asked by exxohh<3 1

Why would Humphrey Davy not get sodium when he electrolysed an aqueous solution of Sodium Carbonate?

Last question on Chem assessment and I WILL NOT LET IT BEAT ME!!!!

Sensible answers will get you 10 points!

2006-11-14 08:52:40 · 3 answers · asked by Anonymous

2006-11-14 08:41:46 · 5 answers · asked by lmm32193@sbcglobal.net 1

PLEASE AND THANKYOU!

2006-11-14 08:33:02 · 3 answers · asked by tracklurver09 3

2006-11-14 08:24:52 · 4 answers · asked by Anonymous

what's one way you could determine which one is which?

2006-11-14 08:20:50 · 2 answers · asked by Samantha Avansworth 2

2006-11-14 08:20:05 · 15 answers · asked by Physics hater 1

2006-11-14 07:32:07 · 2 answers · asked by Anonymous

2006-11-14 07:25:36 · 5 answers · asked by Anonymous

2006-11-14 07:16:18 · 3 answers · asked by Anonymous

2006-11-14 07:03:27 · 5 answers · asked by jasmine 1

Dissolving is a two step process. How does the nature of these individual steps combine to determine whether the overall process will be enodthermic or exothermic?


...and me, I have no idea..

2006-11-14 07:01:39 · 3 answers · asked by Anonymous

Why can ammonia gas be turned into a liquid?

2006-11-14 06:54:43 · 3 answers · asked by surani_ud 3

Assume 100 % of the BaSO4 was recovered

2006-11-14 06:38:19 · 1 answers · asked by Anonymous

2006-11-14 05:38:20 · 1 answers · asked by Feyisayo Bamz 1

2006-11-14 05:31:18 · 10 answers · asked by Anonymous

2006-11-14 05:29:03 · 8 answers · asked by Jeff P 1

I know that the 1st energy level takes 2 electrons , the 2nd 8 , 18, 32 and so on....but why does the 3rd level only take 8 and not 18

ie Ca : 2,8,8,2 why not 2,8,10 ??

2006-11-14 05:25:03 · 1 answers · asked by Anonymous