. Does a more negative heat of formation (a larger negative number) mean that a compound is more stable or less stable than an isomer with a less negative heat of formation

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)(Encyclopedia Britannica).

The greater the magnitude of the negative value of the heat of formation(the more negative), the greater stability of the compound formed. Hence, a more negative heat of formation (a larger negative number) means that a compound is more stable than an isomer with a less negative heat of formation.

mahima6824soni mahima6824soni · Answer 2 · 2022-02-23T10:30:20+01:00

A more negative heat of formation (a larger negative number) mean a compound is more stable.

What is standard heat of formation?

The change in enthalpy during the creation of 1 mole of a material from its constituent elements is known as standard heat of formation of a compound.

The standard heat of formation is the amount of heat absorbed or released when one mole of a compound is formed from its constituent elements.

The larger the negative value of the heat of formation (the more negative), the more stable the compound created will be.

Thus, the more negative heat of formation (a larger negative number) mean a compound is more stable.

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