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    Exam 19: Spontaneous Change: Entropy and Free Energy
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    If the Enthalpy of Vaporization of Chloromethane, CH<sub>3</sub>Cl, Is 21
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If the Enthalpy of Vaporization of Chloromethane, CH3Cl, Is 21

Question 58

Question 58

Multiple Choice

If the enthalpy of vaporization of chloromethane, CH3Cl, is 21.5 kJ/mol at the normal boiling point, 249 K, calculate ΔS°vap.


A) 86.3 J mol-1 K-1
B) 5.35 J mol-1 K-1
C) 11.6 J mol-1 K-1
D) 896 J mol-1 K-1

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