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4.7 Exercise 10

Avg difficulty 2.5

Two hundred grams of water at 0°C0 °\text{C} is brought into contact with a heat reservoir at 80°C80 °\text{C}. After thermal equilibrium is reached, what is the temperature of the water? Of the reservoir? How much heat has been transferred in the process? What is the entropy change of the water? Of the reservoir? What is the entropy change of the universe?

OpenStax University Physics Volume 2, 4.7 Entropy on a Microscopic Scale, exercise 10

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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.