Wednesday
October 1, 2014

Homework Help: chem

Posted by Rachel on Saturday, April 16, 2011 at 2:08pm.

Hydrogen and carbon dioxide react at a high temperature to give water and carbon monoxide.
H2(g) + CO2(g) --> H2O(g) + CO(g)

(a) Laboratory measurements at 986C show that there are 0.11 mol each of CO and H2O vapor and 0.087 mol each of H2 and CO2 at equilibrium in a 1.0 L container. Calculate the equilibrium constant for the reaction at 986C.

I got 2.1e2. I did (.11)(.11)/(.087)(.087)

What are i doing wrong?

(b) Suppose 0.052 mol each of H2 and CO2 are placed in a 1.5 L container. When equilibrium is achieved at 986C, what amounts of CO(g) and H2O(g), in moles, would be present? [Use the value of K calculated in part (a).]

[CO]
______ mol
[H2O]
______ mol

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