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Calculate the enthalpy change, for the process in which 40.0g of water is converted from liquid at 12.8 degrees C to vapor at 25.0 degrees C.
For water, traingle Hvap = 44.0kJ/mol at 25.0 degrees C and s = 4.18 J/(g* C) for H2O (l)

  • Chemistry - ,

    delta H = (mass*delta H vap) + [mass*specific heat*(Tfinal-Tinitial)]

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