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John imagines himself on the beach playing some volleyball once Memorial Day comes around. After a...

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Physics

John imagines himself on the beach playing some volleyball onceMemorial Day comes around. After a victorious game, John alwaysdreams of a cold cup of water but as his future holds he only has40.0 g of water at room temperature (25°C).

a. How much heat will be released if all the water, 40 g at25°C, is converted to ice at 0°C.

b. If John still has his original cup of 40.0 g of water at roomtemperature (25°C), determine the composition and temperature ofthe mixture if John adds 30.0 g of ice at -10.0°C into the liquidwater? Show how you arrived to this conclusion.

Answer & Explanation Solved by verified expert
3.6 Ratings (435 Votes)
Part A If all available water is converted into ice then heat released will be Q Q1 Q2 Q1 Heat released by water from 25 C to 0 C MwCwdT Q2 Heat released by phase change from water to ice MwLf Q MwCwdT MwLf Cw Specific heat capacity of water 4186 JkgC Lf latent    See Answer
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