Problem: Calculate the standard entropy of fusion of ethanol at its melting point 159 K. The standard molar enthalpy of fusion of ethanol at its melting point is 5.02 kJ · mol−1. 1. −44.0 J · K−1· mol−1 2. −5.02 kJ · K−1· mol−1 3. −31.6 J · K−1· mol−1 4. +5.02 kJ · K−1· mol−1 5. +31.6 J · K−1· mol−1

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Calculate the standard entropy of fusion of ethanol at its melting point 159 K. The standard molar enthalpy of fusion of ethanol at its melting point is 5.02 kJ · mol−1.

1. −44.0 J · K−1· mol−1

2. −5.02 kJ · K−1· mol−1

3. −31.6 J · K−1· mol−1

4. +5.02 kJ · K−1· mol−1

5. +31.6 J · K−1· mol−1