Chemistry - January 2007

if 50mL of 10Celcius water is added to 40 ml of 65 Celsius, calculate the final temperature of the mixture assuming no heat is lost to the surroundings including the container.

2007-01-22 08:31:12 · 4 answers · asked by Anonymous

Im not asking you to do my homework but i have this one questions out of 60 that i dont know the answer to and i cant find it any where thank you

2007-01-22 08:30:41 · 2 answers · asked by christmas382000 3

in the test for water, the blue substance is anhydrous cobalt(ll) chloride, and the pink substance is cobalt(ll) chloride hydrate. Write a word equation for this change.

2007-01-22 08:30:07 · 2 answers · asked by Guitr Playrrr 2

List 3 for each solid, liquid, and gas. Tempurture must be at least 70 degrees. I already have ice, water, and steam under each. Lit 2 more please!!

2007-01-22 08:24:43 · 3 answers · asked by hi. (= 2

2007-01-22 08:18:50 · 5 answers · asked by katrina g 1

2007-01-22 08:16:50 · 1 answers · asked by ralphfiennesrocks 1

When 14.28mL of 2.92 M HCL are added to 15ml of 3.07 M NaOH, a measurement shows that 2.35 kJ of heat are released. Calculate the heat of neutralization in kJ/mol

2007-01-22 08:15:51 · 1 answers · asked by nitral2344 1

use the appropriate noble gas,inner-core abbreviations.

2007-01-22 08:12:48 · 1 answers · asked by katrina g 1

I need help balancing this eqaution, I have gotten all of the others. but this one is giving me some trouble. Please help. Thanks.

2007-01-22 08:09:22 · 1 answers · asked by Nomo 2

2007-01-22 08:01:55 · 3 answers · asked by peggy19462006 1

2007-01-22 08:00:17 · 2 answers · asked by Anonymous

DEFINITION!! PLZ 4 SCIENCE FAIR!!!

2007-01-22 07:47:36 · 4 answers · asked by Luv Is in the air 1

chlorine

hydrogen

hydrogen sulfide

sulfur dioxide

2007-01-22 07:38:25 · 2 answers · asked by Anonymous

2007-01-22 07:12:02 · 9 answers · asked by Anonymous

2007-01-22 06:55:24 · 4 answers · asked by Emma 1

2007-01-22 06:23:46 · 2 answers · asked by nic3cova 1

2007-01-22 06:19:41 · 5 answers · asked by slyman 1

..with only 1 valence electron. So when potassium is eaten, how does it cause an increase in OH- . Remeber that KOH in aqueous solution dissolves very quickly, so K bonding to OH then breaking up would have no effect on pH.

2007-01-22 06:12:01 · 3 answers · asked by Lisa 1

2007-01-22 06:05:07 · 10 answers · asked by Anonymous

2007-01-22 06:00:10 · 1 answers · asked by elizangela r 2

2007-01-22 05:59:18 · 2 answers · asked by Iwy 2

chemistry

2007-01-22 05:44:49 · 5 answers · asked by birdie1990 2

2007-01-22 05:34:47 · 2 answers · asked by rambabu26 d 1

2007-01-22 05:06:55 · 15 answers · asked by little angel 1

2007-01-22 04:41:25 · 3 answers · asked by Anonymous

2007-01-22 04:02:56 · 2 answers · asked by Anonymous

2007-01-22 03:20:00 · 7 answers · asked by Petite Princess 1

2007-01-22 03:17:27 · 9 answers · asked by annemcolton 2

2007-01-22 02:48:29 · 9 answers · asked by Lai Yu Zeng 4

Consider the reaction

3A + B + C== D + E

where the rate law is defined as

-D[A] / Dt = k[A]2[B][C]

An experiment is carried out where [B]0 = [C]0 = 1.00 M and [A]0 = 1.00 x 10-4 M.

After 3.00 minutes, [A] = 3.26 x 10-5 M. The value of k is

2007-01-22 02:48:04 · 2 answers · asked by jasmine m 1