# Homework Help: Chemistry help!

1. Apr 26, 2004

### decibel

i have 2 questions, i just dont seem to get , here it goes

at 25 degrees, kc = 1.6 x 10^-17 for the reaction

N2(subscript) (g) + 2O2(subscript)(g) ---- 2NO2(subscript)(g)

concentration of N2 = .0320 mol^-1
concentraion of O2 = .00860 molL^-1

calculate equilibrium concentraion of NO2(g)

the second question is :

for the following rxn

2SOsubscript2 (g) + Osubscrupt2(g) ---- 2SOsucript3 (g)

calculate valua of kc if 4 mol of SO3 is placed in a 2L container and allowed to reach equil.

equililbrium concentration of O2 = .500 mol/L^-1

can someone help plz?

2. Apr 28, 2004

### decibel

my answer for kc was 1 for the 2nd question , can anyone verify that?

3. Apr 28, 2004

### decibel

i guess everyones hates me ^_^

4. Apr 29, 2004

### recon

I'm no expert in Chemistry, but I can say that there aren't many chemists on these boards. Maybe you should try posting on the Chemistry boards if you have not already.

5. Apr 29, 2004

### Bystander

HW policy is that you take at least a blind swing at the problem.

"One" looks good for Q2.

6. Apr 29, 2004

### decibel

i did take a swing at them both, thats why im posting them here :D...but nvm now i got them right thx for "attempting" to help everyone haha

Last edited: Apr 29, 2004