Chemistry, asked by dronser786, 11 months ago

Enthalpy of combustion of a substance is always?

Answers

Answered by saadkhan12

Answer:

EXOTHERMIC.

Explanation:

Combustion is always exothermic, the enthalpy change for the reaction is negative, ΔH has a negative sign. Molar Heat of Combustion (molar enthalpy of combustion) of a substance is the heat liberated when 1 mole of the substance undergoes complete combustion with oxygen at constant pressure.

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