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Question on: SS2 Chemistry - Chemical Thermodynamics

Hess's Law allows us to calculate the enthalpy change of a reaction by:

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A

Measuring the heat absorbed or released during the reaction

B

Using standard enthalpies of formation of the reactants and products

C

Applying the bond enthalpies of the reactants and products

D

Balancing the chemical equation of the reaction

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Correct Option: B

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