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What are the applications of Hess's Law of constant heat summation? |
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Answer» Solution :(i) It helps to CALCULATE the enthalpies of formation of those compounds which cannot be determined EXPERIMENTALLY. (ii) It helps to DETERMINE the ENTHALPY of allotropic transformations like C (graphite) `rarr` C (diamond). (iii) It helps to calculate the enthalpy of hydration. |
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