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Detailed information about the equation 12HNO3 + 2Cu2S -> 2Cu(NO3)2 + 6H2O + 8NO + 2SO2:
The above equation represents the reaction between nitric acid (HNO3) and copper sulfide (Cu2S) to produce copper (II) nitrate (Cu(NO3)2), water (H2O), nitric oxide (NO), and sulfur dioxide (SO2). -
Conditions for the reaction:
This reaction requires the presence of high temperatures to take place. -
Reaction process:
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Observable phenomena:
When the reaction takes place, we can observe the color change of the solution due to the formation of Cu(NO3)2. At the same time, we can also detect the distinctive smell of the SO2 and NO gases.