November 25, 2015

Homework Help: Chemistry

Posted by Lena on Sunday, July 19, 2009 at 2:10pm.

0.500 mol of SO2, 0.100 mol of O2 and 0.700 mol of SO3 re intorduced simutaneously into a 1.00 L vessel at 1000 K. For the equillibirum, 2SO2 (g) + O2(g) <---> 2SO3(g), the value of Kc at 1000K is 280. Show mathemtically that the mixture is NOT at equillibrium.

This is what I did:

Kc = [0.700]^2/[0.500]^2[0.100]
= 19.6

Therefore the mixture is not a equillibrium because in order to be at equallibrium, the mixture must have a Kc value of 280.

Did I do this correctly?

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