A) How much energy (in kilojoules) is released when 6.90 g of water at 36.5 C is

Question

A) How much energy (in kilojoules) is released when 6.90 g of water at 36.5 C is cooled to -13.0 C?

The heat of fusion of water is 6.01 kJ/mol, and the molar heat capacity is 36.6 J/(Kmol) for ice and 75.3 J/(Kmol) for liquid water.

B) How much energy (in kilojoules) is released when 16.3 g of steam at 115.0 C is condensed to give liquid water at 69.5 C?

The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3 J/(Kmol) for the liquid and 33.6 J/(Kmol) for the vapor.

Explanation / Answer

A) How much energy (in kilojoules) is released when 6.90 g of water at 36.5 C is

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