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Calculate the enthalpy change, ΔH, for the process in which 12.6 g of water is converted from liquid at 17.3 ∘C to vapor at 25.0 ∘C . For water, ΔHvap = 44.0 kJ/mol at 25.0 ∘C and Cs = 4.18 J/(g⋅∘C) for H2O(l).