what is mean by heat formation
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Heat of formation refers to the energy released or absorbed when a pure substance forms from its elements. ... Heat of formation is usually denoted by ΔHf. It is typically expressed in units of kilojoules per mole (kJ/mol). Heat of formation is also called enthalpy of formation.
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Hey mate....
Heat of formation, also called standard heat of formation, enthalpy of formation, or standard enthalpy of formation, the amount of heat absorbed or evolved when one mole of a compound is formed from its constituent elements, each substance being in its normal physical state (gas, liquid, or solid).
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