In an experiment, 200 g of aluminum (with a specific heat of 900 J/kg K) at 100 C is mixed with 50.0 g of waterat 20.0C, with the mixture thermally isolated. (a) What is theequilibrium temperature? What are the entropy changes of (b) thealuminum, (c) the water, and (d) the aluminum–water system?

In an experiment, 200 g of aluminum (with a specific heat of 900 J/kg K) at 100 C is mixed with 50.0 g of waterat 20.0C, with the mixture thermally isolated. (a) What is theequilibrium temperature? What are the entropy changes of (b) thealuminum, (c) the water, and (d) the aluminum–water system?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter4: The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 4.6CYU: Check Your Understanding A quantity of heat Q is absorbed from a reservoir at a temperature Th by a...

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Question

In an experiment, 200 g of aluminum (with a specific heat of 900 J/kg K) at 100 C is mixed with 50.0 g of water
at 20.0C, with the mixture thermally isolated. (a) What is the
equilibrium temperature? What are the entropy changes of (b) the
aluminum, (c) the water, and (d) the aluminum–water system?

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