Q.

Molar enthalpy of vaporization of a liquid is 3.6 kJ. If boiling point of this liquid is 177°C, the molar entropy of vaporization (in JK1) is __________.

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answer is 8.

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Detailed Solution

ΔHvap=3600J BP=177°C=450K ΔS=ΔHT=8J/K

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