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(a) The enthalpy of vaporization of chloroform (CHCl3) is 29.4 kJ mol-1 at its normal boiling point of 334.88 K. Calculate (a) the entropy of vaporization of chloroform at this temperature and (b) the entropy change of the surroundings.

(b) The enthalpy of vaporization of methanol is 35.27 kJ mol-1 at its normal boiling point of 64.1°C. Calculate (a) the entropy of vaporization of methanol at this temperature and (b) the entropy change of the surroundings.

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