How many kilocalories are released

How many kilocalories are released

How many kilocalories are released when 18.0 g of steam at 100ºC is condensed and cooled to ice at -4.55ºC?

The specific heat of steam is 2.16 J/(g · °C), the specific heat of water is 4.184 J/(g · °C), the specific heat of ice is 2.06 J/(g · °C), the heat of vaporization of water is 2260 J/g, the heat of fusion of water is 334 J/g. 1 cal = 4.184 J.

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