Chemistry, asked by maac, 1 year ago

what is enthalpy of reaction with examples

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Answered by Mahi501

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Answered by crystaldesuja

The standard enthalpy of reaction (denoted ΔHr⊖) is the enthalpy change that occurs in a system when matter is transformed by a given chemical reaction, when all reactants and products are in their standard states.

ex:
The bond energy (kJ) for H2, F2, and HF are 436, 158 and 568 kJ
respectively, calculate the enthalpy (energy) of the reaction,H2(g) + F2(g) = 2 HF

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