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?
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 ...
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