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Get Full Access to University Physics - 13 Edition - Chapter 20 - Problem 19dq
Get Full Access to University Physics - 13 Edition - Chapter 20 - Problem 19dq

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# Are the earth and sun in thermal equilibrium Are there ISBN: 9780321675460 31

## Solution for problem 19DQ Chapter 20

University Physics | 13th Edition

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Problem 19DQ

Are the earth and sun in thermal equilibrium? Are there entropy changes associated with the transmission of energy from the sun to the earth? Does radiation differ from other modes of heat transfer with respect to entropy changes? Explain your reasoning.

Step-by-Step Solution:

Solution 19D Introduction Here, here at first we have to see whether earth and sun system are in thermal equilibrium. Then we have to describe if there is any change in entropy in the heat process of heat transfer from sun to earth. Then we have to describe whether radiation, in terms of entropy change, is same or different. Step 1 Two object are said to be in thermal equilibrium, if not heat is flowing from one object to another. Now as we know that we receive energy from sun as the form of radiation. Hence we can say that the sun and earth are not in thermal equilibrium.

Step 2 of 3

Step 3 of 3

##### ISBN: 9780321675460

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