The equation 6HNO3 + 2Fe -> 2Fe(NO3)3 + 3H2O + 4NO

  1. Detailed information about the chemical equation 6HNO3 + 2Fe -> 2Fe(NO3)3 + 3H2O + 4NO:

    • The left side of the chemical equation represents the reactants, which includes 6 moles of nitric acid (HNO3) and 2 moles of iron (Fe).
    • The right side of the chemical equation represents the reaction products, which include 2 moles of iron (III) nitrate (Fe(NO3)3), 3 moles of water (H2O), and 4 moles of nitrogen monoxide (NO).
    • The chemical equation is balanced, which means the number of moles of each chemical element on both sides of the equation is equal.

  2. Reaction conditions:
    The reaction occurs when nitric acid comes into contact with iron, specifically when iron is immersed in a hot, concentrated solution of nitric acid.

  3. Reaction Process:
    When iron comes into contact with nitric acid, it is oxidized into iron (III) nitrate and produces nitrogen monoxide and water.

  4. Observed Phenomena:
    When the reaction occurs, iron gradually dissolves in the nitric acid solution, producing a brown solution of iron (III) nitrate. Simultaneously, brown nitrogen monoxide gas is also generated.

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