A 200-g calorimeter cup made of aluminum contains 750 g of water at a temperature of 10ºC. The cup and the water are initially in thermal equilibrium. What is the final temperature of the system if a 250 g piece of brass with a temperature of 300ºC is placed in the calorimeter?
A 200-g calorimeter cup made of aluminum contains 750 g of water at a temperature of 10ºC. The cup and the water are initially in thermal equilibrium. What is the final temperature of the system if a 250 g piece of brass with a temperature of 300ºC is placed in the calorimeter?
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A 200-g calorimeter cup made of aluminum contains 750 g of water at a temperature of 10ºC. The cup and the water are initially in thermal equilibrium. What is the final temperature of the system if a 250 g piece of brass with a temperature of 300ºC is placed in the calorimeter?
Expert Solution
Step 1
The calorimeter cup made of aluminum and the water in it, are initially in thermal equilibrium, at a temperature of 10oC.
Later, a 250 g piece of brass is dropped into this calorimeter, at a temperature of 300oC.
As soon as they come in contact, heat flow will take place from the piece of brass at high temperature, to the calorimeter cup at lower temperature.
The heat gained or lost by any substance is given as
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