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10 August, 21:37

Which type of reaction is the Haber process: N2 (g) + 3 H2 (g) → 2 NH3 (g) + heat? *

exothermic, with an increase in entropy

exothermic, with a decrease in entropy

endothermic, with an increase in entropy

endothermic, with a decrease in entropy

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  1. 10 August, 22:06
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    exothermic, with a decrease in entropy

    Explanation:

    Whenever you produce heat as a product in a reaction, the reaction is exothermic. To determine entropy, we know we have 4 moles of gas on reactant (1 from N2 and 3 from H2) and in produce side we only have two moles (2 from NH3) thus since we are decreasing the number of gas molecules, there is going to be less disorder, hence decrease in entropy.
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