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Author Question: A gasoline engine absorbs 2 500 J of heat at 250C and expels 2 000 J at a temperature of 50C. The ... (Read 915 times)

nmorano1

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on: Aug 6, 2020

Question 1

A gasoline engine absorbs 2 500 J of heat and performs 1 000 J of mechanical work in each cycle. The amount of heat expelled in each cycle is

◦
1 000 J

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1 500 J

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2 000 J

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500 J

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3 000 J


Question 2

A gasoline engine absorbs 2 500 J of heat at 250°C and expels 2 000 J at a temperature of 50°C. The magnitude of the change in entropy (in J/K) for the system is

◦
6.2

◦
4.7

◦
1.4

◦
10.9

◦
3.2
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by nmorano1 on Aug 6, 2020

morrie123456

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Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Sean Koyano

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Reply #2 on: Jul 29, 2021
thank you


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Reply #3 on: Oct 6, 2021
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