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1) A 155-g piece of copper at 176oC is dropped into 250.0 g ofwater at 15.6C. (The specific heat of copper is 0.385 J/gC.)Calculate the final temperature of the mixture. (Assume no heatloss to the surroundings.)
2)A 144-g metal bar requires 2.50 kJ to change its temperature from13.5C to 100.0C. What is the specific heat of the metal?
3)A sample of water releases 4.50 x 103 J of heat energy and itstemperature drops from 80.0C to 68.0C. What is the mass of thewater?
1) A 155-g piece of copper at 176oC is dropped into 250.0 g ofwater at 15.6C. (The specific heat of copper is 0.385 J/gC.)Calculate the final temperature of the mixture. (Assume no heatloss to the surroundings.)
2)A 144-g metal bar requires 2.50 kJ to change its temperature from13.5C to 100.0C. What is the specific heat of the metal?
3)A sample of water releases 4.50 x 103 J of heat energy and itstemperature drops from 80.0C to 68.0C. What is the mass of thewater?
2)A 144-g metal bar requires 2.50 kJ to change its temperature from13.5C to 100.0C. What is the specific heat of the metal?
3)A sample of water releases 4.50 x 103 J of heat energy and itstemperature drops from 80.0C to 68.0C. What is the mass of thewater?
Deanna HettingerLv2
28 Sep 2019
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