What Is Hess Law?
Posted On: Sep 23, 2020
Hess law or Hess’s law of constant heat summation states that if any reaction has taken place in several steps, then the standard enthalpy reaction is equal to the sum of all intermediate reactions at the same temperature. It tells that Enthalpy change for a reaction is not dependent on the way a product is obtained if initial and final conditions both are the same. This law shows that Enthalpy is a state function.
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