the reaction 2 NO + O2 <=> 2 NO2 (delta H = -114.2 kJ) has a Kc=7.00 x 10^7 at 200 degrees Celsius. what is the value of Kc at 400 degrees celsius?

a. 1.25x10^4
b. 1.68x10^8
c.3.91x10^11
d. 5.74x10^22
e. answer not given

1 answer

Use the van't Hoff equation.

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