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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