Homework Help: Chemistry

Posted by mg on Monday, October 18, 2010 at 5:58pm.

At 2000°C, 5.0×10-3 mol CO2 is introduced into a 1.0 L container and the following reaction comes to equilibrium:

2CO2(g) <-> 2CO(g) + O2(g)

Kc = 6.4×10-7

a. Calculate the equilibrium concentrations of CO and O2.

b. What fraction of the CO2 is decomposed at equilibrium? (37% or 6.3%)

Chemistry - DrBob222, Monday, October 18, 2010 at 6:29pm
Set up an ICE chart, substitute into the Kc expression, and solve for the concns. Post your work if you get stuck.

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