Question

define a standard enthalpy of reaction​

Answer 1

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.

For a generic chemical reaction

−vA A + −vB B + ... → vP P + vQ Q ...

Answer 2

Explanation:

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