The equation 8HNO3 + 2CuS -> 2Cu(NO3)2 + 4H2O + 4NO + SO2

  1. Detailed information about the equation 8HNO3 + 2CuS -> 2Cu(NO3)2 + 4H2O + 4NO + SO2:

This equation represents the reaction between nitric acid (HNO3) and copper sulfide (CuS) to form copper (II) nitrate (Cu(NO3)2), water (H2O), nitrogen monoxide (NO), and sulfur dioxide (SO2).

  1. Reaction conditions:

This reaction requires a strong acid environment (provided by HNO3) and high temperature.

  1. The reaction process:

When HNO3 and CuS come into contact with each other under suitable conditions, the atoms and ions in these molecules will reorganize, forming new reaction products.

  1. Phenomena that occur:

When the reaction takes place, you will see the initial mixture transform into a green solid substance (copper (II) nitrate) while gases (nitrogen monoxide and sulfur dioxide) will be released. There may be a change in temperature as this reaction is a type of redox reaction.

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