How to calculate the enthalpy change of water

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Reference no: EM13528076

(a) Calculate the enthalpy change (in J) when a 4.08 g sample of water at 26.4 °C and 1 atm is frozen to ice at -20.4°C and 1 atm.

(b) Calculate the enthalpy change (in J) when a 7.45 g sample of water at 48.5°C and 1 atm is converted to vapor at 139.3°C and 1 atm.

Reference no: EM13528076

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