November 25, 2015

Homework Help: Chemistry

Posted by Riley on Friday, September 10, 2010 at 3:12am.

I'm doing chemical equilibrium, and there's a question in my lecture notes. Can someone check my answers and tell me if i'm right or wrong? Thanks!

The Kc expression for this reversible reaction:

3Fe(s) + 4H2O (g) --><-- Fe3O4(s) + 4H2 (g)

is [H2]^4 / [H2O]^4

Am I correct? My lecture notes apparently said that the reaction has a Kp expression but it didnt say anything about Kc expression. I just thought it can also have a Kc expression, not sure if i'm right.

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