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Water flows through a heat exchanger as a constant pressure process (water doesn't compress so its pressure doesn't change much-just friction). For this case,

Water flows through a heat exchanger as a constant pressure process (water doesn't compress so its pressure doesn't change much-just friction). For this case, Wos = 0. If the enthalpy is reduced from 25 Kj/kg to 15 Kj/kg, how much heat was lost?

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