During a reaction, the enthalpy of formation of an intermediate is 34 kJ/mol. During the reaction, 4 moles of the intermediate are produced. What is the enthalpy value for this step of the reaction?

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06-06-2022
Chemistry

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During a reaction, the enthalpy of formation of an intermediate is 34 kJ/mol. During the reaction, 4 moles of the intermediate are produced. What is the enthalpy value for this step of the reaction?

Sagot :

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pstnonsonjoku pstnonsonjoku · Answer 1 · 2022-06-14T11:29:48-04:00

The enthalpy change for the formation step of this intermediate is 136 kJ/mol.

What is the enthalpy?

The enthalpy of reaction can be obtained from the enthalpies of formation of the species involved. The enthalpy of reaction is the heat evolved or absorbed in a reaction.

Thus, the enthalpy change for the formation step of this intermediate is 4 * 34 kJ/mol = 136 kJ/mol.

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What is the enthalpy?

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