Calculating AS for a Phase ChangeElemental mercury is a
Chapter , Problem 2PE(choose chapter or problem)
Problem 2PE
Calculating AS for a Phase Change
Elemental mercury is a silver liquid at room temperature. Its normal freezing point is -38.9 °C. and its molar enthalpy of fusion is . What is the entropy change of the system when 50.0 g of Hg(J) freezes at the normal freezing point?
The normal boiling point of ethanol. C2H5OH, is 78.3 °C and its molar enthalpy of vaporization is 38.56 kJ/mol. What is the change in entropy in the system when 68.3 g of C2H5OH(g) at 1 atm condenses to liquid at the normal boiling point?
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