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A sample of steam with a mass of 0.506 g at a temperature of 100 C condenses into an insulated container holding 4.20 g of

A sample of steam with a mass of 0.506 g at a temperature of 100 C condenses into an insulated container holding 4.20 g of water at 3.0 C . For water, Hvap=40.7kJ/mol and Cwater=4.18J/(gC) . Part A Assuming that no heat is lost to the surroundings, what is the final temperature of the mixture? Express your answer in degrees Celsius to three significant figures.

The answer is not 69.5 C

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