Chemistry probably easy mole ratio/pressure problem? - Freemason Hirams Travels Masonic Forums

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04-07-2008, 02:18 PM

Jake K

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Chemistry probably easy mole ratio/pressure problem?

The following reaction occurs in a closed container:
A(g) + 2B(g) -->2C(g)
A reaction mixture initially contains 1.4 L of A and 2.2 L of B.
Assuming that the volume and temperature of the reaction mixture remain constant, what is the percent change in pressure if the reaction goes to completion?
I've tried the problem and I get 22% which is wrong. Is this a mole ratio problem or pressure? I'm not sure how to do this..
Help is GREATLY appreciated! Please use clear and logical steps

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