Question
Asked Nov 12, 2019
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A. Rank these engines on the basis of the change in entropy of the gas during the isothermal expansion phase of the cycle.
Rank from largest to smallest. To rank items as equivalent, overlap them.
 
B. Rank these engines on the basis of the change in entropy of the gas during one complete cycle.
Rank from largest to smallest. To rank items as equivalent, overlap them.
Reset
Hel
Ty=600 KHeat Engine
1500 J
T-600 K
500 J
TH 500 KHeat Engine
1000 J
T-500 K
1000J
Heat Engine
T.-500 K
Heat Engine
Heat Engine
500 J
Work
Qс
Work
Work
Work
Work
Te-300 K
T 250 K
Te-250 K
Te 200 K
T 300 K
T=600 KHeat Engine
1000 J
Work
Te=300 K
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Reset Hel Ty=600 KHeat Engine 1500 J T-600 K 500 J TH 500 KHeat Engine 1000 J T-500 K 1000J Heat Engine T.-500 K Heat Engine Heat Engine 500 J Work Qс Work Work Work Work Te-300 K T 250 K Te-250 K Te 200 K T 300 K T=600 KHeat Engine 1000 J Work Te=300 K

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Step 1

(A)

The change in entropy of the system is,

The change in entropy of the gas each phase of the cycle during isothermal expansion is,

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AS т 1) 500J AS 600K 0.83 J/K

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Step 2
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2) 1500J AS2 600K 2.5J/K 3) 1000J AS 500K 2.0J/K 4) 500J AS 500 K 1.0J/K

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Step 3

Therefore, the change in entropy f...

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5) 1000 J AS; 500K 2.0J/K 6) 1000J AS& 600K =1.67 J/K AS2 AS ASAS6 > AS, > AS

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Physics

Heat Transfer

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