56.19
The temperature of a sample of liquid water changes from 50°C to 30°C. Which statement best explains the change that
must happen at the molecular level?
O The molecules move more quickly and their average kinetic energy increases.
The molecules move more slowly and their average kinetic energy decreases.
O The molecules move more quickly and their average kinetic energy decreases.
The molecules move more slowly and their average kinetic energy increases.
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Answers: 3
Chemistry, 21.06.2019 23:00
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Chemistry, 22.06.2019 10:00
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Chemistry, 22.06.2019 17:00
In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added
Answers: 1
56.19
The temperature of a sample of liquid water changes from 50°C to 30°C. Which statement best e...
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