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Calculate ΔvapH , the molar enthalpy of vaporization, of a substance at 338.15 K, given that...

Calculate ΔvapH , the molar enthalpy of vaporization, of a substance at 338.15 K,
given that its standard enthalpy of vaporization is Δvap Hθ = 32.45 kJ mol−1 vap at 25.0ºC.
The heat capacities are Cp,mliq = 46.20 J K−1 mol−1 for the liquid and Cp,mvap = 32.20 J K−1 mol−1 for the vapor.

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