37. State Hess's law.
37. State Hess's law.
37. Hess law states that “If a reaction takes place in several steps then its standard reaction enthalpy is the sum of the standard enthalpies of the intermediate reactions into which the overall reaction may be divided at the same temperature.”
Or it can be stated as “The change of enthalpy of a rea
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Chemistry Ncert Solutions Class 11th 2023
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