Anant Jaguri posted an Question
April 16, 2020 • 16:30 pm 30 points
  • IIT JAM
  • Chemistry (CY)

What is need of enthalpy in place of internal energy?

what is need of enthalpy in place of internal energy?

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    Lingareddy 1

    work , internal energy both are different . heat is equal to sum of internal energy and work

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    Lingareddy 1 best-answer

    Enthalpy is important because it tells us how much heat (energy) is in a system. Heat is important because we can extract useful work from it. In terms of a chemical reaction, an enthalpy change tells us how much enthalpy was lost or gained, enthalpy meaning the heat energy of the system.

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    Can not we extract usefull work from internal energy? if not, why?

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