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?
QA 136 kJ
B. 34 kJ
OC. -34 kJ
D. 136 kJ

The enthalpy of a reaction is the heat that is lost or gained in that reaction. We know that the enthalpy can be calculated from the heat of formation.

Thus, we can obtain the enthalpy of the reaction as 4 * 34 kJ/mol = 136 kJ/mol.

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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? QA 136 kJ B. 34 kJ OC. -34 kJ D. 136 kJ

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What is enthalpy?

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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?
QA 136 kJ
B. 34 kJ
OC. -34 kJ
D. 136 kJ