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How much ice is needed to make ice tea at a temperature of 5 degrees C...

How much ice is needed to make ice tea at a temperature of 5 degrees C from 140 grams of hot tea at 65 degrees C contained in a glass container of 50 gm with specific heat equal to 0.2 cal/gm degree C. Treat the tea as colored water.

Given: Initial tea temp is 65 degrees C, Initial weight of tea us 140 grams, Mass of container is 50 grams, Specific heat of container is 0.2 cal/gm degree C

Find: Mass of ice to make the liquid 5 degrees C

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