## Answers

Enthalpy of reaction = {Enthalpy of product – Enthalpy of neachant | = (3x AH + N2 + 3 x AH; 66 H2 0) - - (2x AMY of NH3 + 3X AME OF N20) = [4 x0 + 3x6-286)] - [ 2x4+46-2) + 3X 81-6] RJ - 858 = 152.4 = 705.6 KJ

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