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Question
Write down the word equation or balanced equation for the action of concentrated nitric acid on copper.
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Solution
Balanced equation:
\[\ce{Cu + 4HNO3 ->[\Delta] Cu(NO3)2 + 2NO2 + 2H2O}\]
word equation :
\[\ce{Copper + nitric acid ->[\Delta] copper nitrate + nitrogen dioxide + water}\]
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