assign3sol2k5

assign3sol2k5 - 1 A 150g copper bowl contains 220g of water...

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Unformatted text preview: 1. A 150g copper bowl contains 220g of water. Both bowl and water are at 20 ◦ C . A very hot 300g copper cylinder is dropped into the water. This causes the water to boil, with 5g being converted to steam, and the final temperature of the entire system is 100 ◦ C . (a) How much heat was transfered to the water? (b) How much to the bowl? (c) What was the original temperature of the cylinder? 2. A flow calorimeter is a device used to measure the specific heat of a liquid. Heat is added at a known rate to the liquid as it passes through the calorimeter at a known rate. Measurement of the resulting temperature difference between the inflow and outflow points of the liquid stream enables us to compute the specific heat of the liquid. Suppose a liquid of density 0 . 85 g/cm 3 flows through the calorimeter at a rate of 8 . cm 3 /s . Heat is added at the rate of 250W by means of an electric heating coil, and a temperature difference of 15 ◦ C is established in steady state conditions between the outflow and inflow points. Findis established in steady state conditions between the outflow and inflow points....
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This note was uploaded on 07/20/2009 for the course PHYS physics 10 taught by Professor Goatman during the Spring '08 term at UBC.

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assign3sol2k5 - 1 A 150g copper bowl contains 220g of water...

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