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4.7 Exercise 3

Avg difficulty 2.5

A 50-g copper piece at a temperature of 20°C20 °\text{C} is placed into a large insulated vat of water at 100°C100 °\text{C}. (a) What is the entropy change of the copper piece when it reaches thermal equilibrium with the water? (b) What is the entropy change of the water? (c) What is the entropy change of the universe?

OpenStax University Physics Volume 2, 4.7 Entropy on a Microscopic Scale, exercise 3

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Adapted from University Physics Volume 2 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 2. Imported at revision db44eb9.