When a metal bar is temporarily connected between a hot reservoir at Th and a cold reservoir at Tc, the energy transferred by heat from the hot reservoir to the cold reservoir is Qh. In this irreversible process, find expressions for the change in entropy of the following. (Use any variable or symbol stated above as necessary.) (a) the hot reservoir ΔSh = (b) the cold reservoir ΔSc = (c) the Universe ΔSU =

When a metal bar is temporarily connected between a hot reservoir at Th and a cold reservoir at Tc, the energy transferred by heat from the hot reservoir to the cold reservoir is Qh. In this irreversible process, find expressions for the change in entropy of the following. (Use any variable or symbol stated above as necessary.) (a) the hot reservoir ΔSh = (b) the cold reservoir ΔSc = (c) the Universe ΔSU =

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 34P

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Question

When a metal bar is temporarily connected between a hot reservoir at T_h and a cold reservoir at T_c, the energy transferred by heat from the hot reservoir to the cold reservoir is Q_h. In this irreversible process, find expressions for the change in entropy of the following. (Use any variable or symbol stated above as necessary.)

(a) the hot reservoir

ΔS_h =

(b) the cold reservoir

ΔS_c =

ΔS_U =

When a metal bar is temporarily connected between a hot reservoir at T, and a cold reservoir at T, the energy transferred by heat from the hot reservoir to the cold reservoir is Q.. In this irreversible process
find expressions for the change in entropy of the following. (Use any variable or symbol stated above as necessary.)
(a) the hot reservoir
AS, =
(b) the cold reservoir
AS =
(c) the Universe
AS, =

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