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Solve: Calculating the Equilibrium Constant

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Question: 1 mol of nitrogen and 1 mol of hydrogen are placed in a flask and allowed to come to equilibrium with the product ammonia (NH3). At equilibrium there are .8 moles of nitrogen present. What is the Keq for the reaction?

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First: We need to obtain a balanced reaction:

N2 + 3H2-----------> 2NH3

I know this by lots and lots of experience, but you can see from the diatomic mnemonic, HONClBrIF, that nitrogen and hydrogen are diatomic such that 2 ammonia molecules have to ...

Solution Summary

This solution is comprised of a step-by-step explanation which provides a rationale for how to approach solving these types of chemistry-based problems. This solution will be able to act as a guide for students when solving other problems of a similar nature. This response is about 180 words in length.