LeiaPeick491
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15 Which sample of copper has atoms with the lowest average kinetic energy?(1) 10.g at 45oC (3) 30.g at 25oC
(2) 20.g at 35oC (4) 40. g at 15oC



Answer :

lulu1991
The answer is the forth: 40g at 15℃. The average kinetic energy can be calculated by terms of temperature. So the weight does not influence. Then, the temperature is important. The higher the temperature, the higher kinetic energy.

Answer:

4) 40g at 15ºC

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