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Question
Under what conditions can hydrogen be made to combine with nitrogen?
Name the products and write the equation for the reaction.
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Solution
Three volumes of hydrogen and one volume of nitrogen react at temperature 450-500°C and pressure 200-900 atm in the presence of a finely divided iron catalyst with molybdenum as a promoter to give ammonia.
N2 + 3H2⇋ 2NH3
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