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Detailed information about the chemical equation: The chemical equation above describes the reaction process between nitric acid (HNO3) and copper (II) oxide (Cu2O) to produce nitrogen dioxide gas (NO2), water (H2O), and copper (II) nitrate (Cu(NO3)2).
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Reaction conditions: The reaction occurs in an acidic environment, at normal temperature and pressure.
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Reaction process: When nitric acid reacts with copper (II) oxide, it produces copper (II) nitrate, nitrogen dioxide gas, and water. Cu2O is oxidized to Cu2+ while HNO3 is reduced to NO2.
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Phenomenon that occurs: During the reaction, nitrogen dioxide gas (NO2) is released, creating a characteristic smell. Water and copper (II) nitrate are also produced. Copper (II) nitrate dissolves in water, resulting in a blue solution.