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Statement of a problem № 3624

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Internal energy, heat, enthalpy, work, and the Gibbs free energy (Gibbs func- tion) are all measured in units of joules. (a) What is the difference between these forms of energy? Write down the equations relating these forms of energy. (b) Which of the above are state variables? What properties distinguish a state variable from other variables?

Solution:
Internal energy, heat, enthalpy, work, and the Gibbs free energy (Gibbs func- ti

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