Using the steam table, determine the enthalpy change of 1 kg of water for each of the following cases. (a) Heating water from 20 ° C to 125 ° C without undergoing phase change? ΔH = kJ / kg (b) Heating liquid water from 20 ° C to 125 ° C and evaporating at 125 ° C and 232.1 kPa? ΔH = kJ / kg (c) Cooling and condensation of saturated vapor at 100 ° C and 1 atm abs to liquid at 35 ° C? ΔH =kJ / kg (d) Condensation of saturated vapor at 130 ° C and 270.1 kPa. ? ΔH = kJ / kg

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