The equation 8HNO3 + 2FeS -> 2Fe(NO3)3 + 2H2O + 8NO + 2SO2

  1. Detailed information about the equation 8HNO3 + 2FeS -> 2Fe(NO3)3 + 2H2O + 8NO + 2SO2:
    The above equation describes the reaction between nitric acid (HNO3) and iron sulfide (FeS). The products of the reaction are iron(III) nitrate, water, nitrogen monoxide and sulfur dioxide.

  2. Reaction conditions:
    The reaction is usually carried out at room temperature. However, the temperature can be increased to speed up the reaction.

  3. Reaction process:
    Iron sulfide (FeS) reacts with nitric acid (HNO3) to produce iron(III) nitrate (Fe(NO3)3), water (H2O), nitrogen monoxide (NO) and sulfur dioxide (SO2).

  4. Phenomena occurring:
    During the reaction, brown gas (NO) and pale yellow gas (SO2) are released. This is a redox reaction, where FeS is oxidized to Fe(NO3)3 and HNO3 is reduced to NO.

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