1. How much energy (in kilojoules) is released when 16.4 g of steam at 116.5 âC is condensed to give liquid water at 60.5 âC? The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3 J/(Kâ mol) for the liquid and 33.6 J/(Kâ mol) for the vapor.

2.What is the entropy of fusion, ÎSfusion [in J/(Kâ mol)] for sodium? The necessary data are the following:
mp = 97.8 âC,bp = 883 âC, ÎHvap = 89.6kJ/mol, and ÎHfusion = 2.64kJ/mol.

Question

1. How much energy (in kilojoules) is released when 16.4 g of steam at 116.5 âC is condensed to give liquid water at 60.5 âC? The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3 J/(Kâ mol) for the liquid and 33.6 J/(Kâ mol) for the vapor.

2.What is the entropy of fusion, ÎSfusion [in J/(Kâ mol)] for sodium? The necessary data are the following:
mp = 97.8 âC,bp = 883 âC, ÎHvap = 89.6kJ/mol, and ÎHfusion = 2.64kJ/mol.

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