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A 33.7 g ice cube at 0 0C is added to 126 g of water in...

A 33.7 g ice cube at 0 0C is added to 126 g of water in a 64 g aluminum cup. The cup and thewater have an initial temperature of 24 0C. a) Find the equilibrium temperature of the cup and its contents b)calculate the equilibrium temprature of the cup and its contents if the aluminum cup is replaced with one of equal mass made from copper do not enter unit

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Answer #1

Specific heat in J/gC

Al = 0.20

Cu = 0.39

water =4.2

Latent Heat of vap of water = 334 J

Since heat of complete melting of ice = 334 x 33.7 = 11255 is always greater than 4560 hence the temperature will always be 0 degree as per equation as not all the ice will melt.

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