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April 27, 2015

Homework Help: Chemistry

Posted by Anonymous on Tuesday, October 5, 2010 at 6:35pm.

The following reaction is a step in the commercial production of sulfuric acid.

2SO2(g) + O2(g) 2SO3(g)

The equilibrium constant is very high at room temperature, but the reaction is very slow. It must be run at high temperatures to achieve a reasonable rate of reaction. However the equilibrium constant decreases as temperature increases. Calculate Kc at 807 C from the following concentration data:
[SO3] = 0.016 M
[SO2] = 0.029 M
[O2] = 0.0058 M

I calculated 52.48 for Kc I dont understand how to figure it out for a certain temperature.

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