A 49.6 g block of copper whose temperature is 492 K is placed in an insulating box with a 107 g block of lead whose temperature is 183 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. (a) Number i (b) Number (c) Number i Units Units Units

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Chapter1: Units, Trigonometry. And Vectors
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A 49.6 g block of copper whose
temperature is 492 K is placed in an
insulating box with a 107 g block of lead
whose temperature is 183 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.
(a) Number i
(b) Number
(c) Number
Hi
i
Units
Units
Units
Transcribed Image Text:A 49.6 g block of copper whose temperature is 492 K is placed in an insulating box with a 107 g block of lead whose temperature is 183 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. (a) Number i (b) Number (c) Number Hi i Units Units Units
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