Question

Why is the Hess' law of constant heat summation important?

Answer 1

Hess's law of constant heat summation. According to Hess's law must be equal to which is true. It helps in the determination of enthalpy of transition during allotropic modification. According to Hess's law this difference in the enthalpy of reaction represents the change

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Answer 2

Hess's law of constant heat summation. According to Hess's law must be equal to which is true. It helps in the determination of enthalpy of transition during allotropic modification. ... It is also known as enthalpy of formation of the bond.