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A piece of copper metal is initially at 100C. It is dropped into a coffee cup calorimeter containing 50g of water at a temperature of 20C. After stirring the final temperature of both copper and water is 25C. Assuming no heat losses, and that the specific heat capacity of water is 4.18 J/gK, what is the heat capacity of the copper in J/K?

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Trinidad Tremblay
Trinidad TremblayLv2
28 Sep 2019
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Related questions


1-A 30.5 g sample of an alloy at 90.9°C is placed into 51.2 g waterat 22.0°C in an insulated coffee cup. The heat capacity of thecoffee cup (without the water) is 9.2 J/K. If the final temperatureof the system is 31.1°C, what is the specific heat capacity of thealloy? (c of water is 4.184 J/g×K)

2-One piece of copper jewelry at 109°C has exactly twice the massof another piece, which is at 41.0°C. Both pieces are placed insidea calorimeter whose heat capacity is negligible. What is the finaltemperature inside the calorimeter (c of copper = 0.387 J/gK)?

A 35.16 g piece of copper (which has a molar heat capacity of 24.47 j/c mol) is heated to 80.8 degrees celcius and dropped into a calorimeter containing water (specific heat capacity of water is 4.18 J/g C) initially at 21.5 C. The final temp of the water is 27.1 degrees celcius. Calculate the mass of water in the calorimeter.

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