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Consider the Following Processes (Treat All Gases as Ideal) ο\omicron

question 151

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Consider the following processes (treat all gases as ideal) .
1.The pressure of 1 mole of oxygen gas is allowed to double isothermally.
2.Carbon dioxide is allowed to expand isothermally to 10 times its original volume.
3.The temperature of 1 mol of helium is increased 25 ο\omicron C at constant pressure.
4.Nitrogen gas is compressed isothermally to half its original volume.
5.A glass of water loses 100 J of energy reversibly at 30 ο\omicron C.
Which of these processes lead(s)
To an increase in entropy?"


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