Chemistry, 19.03.2021 22:00, wasscrackin
When a piece of copper metal at 100ºC was placed into a cup of water at 25ºC, the final temperature of both substances reached 30ºC within a minute. Which of the following statements is TRUE about the transfer of energy between the two substances?
a. Copper lost less energy than the amount of energy gained by water
b. Copper gained the same amount of energy that was lost by water
c. Copper lost the same amount of energy that was gained by water
Answers: 1
Chemistry, 22.06.2019 04:30, homeschool0123
How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer
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Chemistry, 22.06.2019 16:30, ccispoppin12
Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)
Answers: 1
Chemistry, 22.06.2019 21:40, fatherbamboo
A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?
Answers: 3
When a piece of copper metal at 100ºC was placed into a cup of water at 25ºC, the final temperature...
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