physics

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The specific heat capacity of ice is about 0.5 cal/g degree C
A)Supposing that it remains at that value all the way to absolute zero, calculate the number of calories it would take to change a 0.50g ice cube at absolute zero (-273 degree C}) to 0.50 g of boiling water.
B)How does this number of calories compare with the number of calories required to change the same gram of 100 degree C boiling water to 100 degree C steam?

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