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4.7 Exercise 12

Avg difficulty 2.5

Two hundred grams of water at 0°C0 °\text{C} is brought into contact into thermal equilibrium successively with reservoirs at 20°C20 °\text{C}, 40°C40 °\text{C}, 60°C60 °\text{C}, and 80°C80 °\text{C}. (a) What is the entropy change of the water? (b) Of the reservoir? (c) What is the entropy change of the universe?

OpenStax University Physics Volume 2, 4.7 Entropy on a Microscopic Scale, exercise 12

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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.