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Question
Balance the following equation:
\[\ce{CuO + NH3->Cu + H2O + N2}\]
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Solution
\[\ce{CuO + NH3->Cu + H2O + N2}\]
Multiply CuO by 3, NH3 by 2, Cu by 3 and H2O by 3
\[\ce{3CuO + 2NH3->3Cu + 3H2O + N2}\]
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