Physics, 27.02.2020 21:20 jluckie080117
A change in the average kinetic energy of the molecules of an object may best be detected by measuring a change in the objects
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Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?
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Which feature of a heating curve indicates a change ofn state
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A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
A change in the average kinetic energy of the molecules of an object may best be detected by measuri...
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