AP Chemistry· difficulty 3/5
Consider N2(g) + 3 H2(g) <-> 2 NH3(g) starting from the initial concentrations shown.
What value belongs in the H2 "Change" cell of the ICE table?
+3x
-x
-3x
+x
Explanation
Stoichiometry: for every 1 mol N2 consumed, 3 mol H2 are consumed. If N2 changes by -x, then H2 changes by -3x.
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