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Upon heating copper II nitrate, the decomposition reaction is as follows:

2 Cu(NO3)2(s) --> 4 NO2(g) + O2(g) + 2 CuO(s)

First the NO2 gas is released, as it is the larger molecule, then O2 gas, leaving CuO solid remaining.

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Q: What is the molecular equation of copper II nitrate and heat?
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