6. In the gas phase, why is Cp always larger than Cy?(a) In a constant pressure process, the system does work on the surroundings and thereforenot all of the heat flow into the system can be used to increase AU.(b) The amount of work done during a constant volume process is always lower than atconstant pressure.(c) In a constant pressure process, the surroundings do work on the system and therefore allof the heat flow can be used to increase AU.(d) This isn't true. There is only a negligible change for gases upon heating. 5. If Cv.m (7/2)nR, what is y (where y = CP,m/Cv,m)?=(a) 7/8(b) 4(c) 9/7(d) 7/4

1.We need to give the reasoning for a gas phase having Cp is greater than Cv . 2. Given , Cv,m =…

Answered: 5. If Cv.m (7/2)nR, what is y (where y…

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5. If Cv.m (7/2)nR, what is y (where y = CP,m/Cv.m)?

Fundamentals Of Analytical Chemistry

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Chapter6: Random Errors In Chemical Analysis

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Question

6. In the gas phase, why is Cp always larger than Cy?
(a) In a constant pressure process, the system does work on the surroundings and therefore
not all of the heat flow into the system can be used to increase AU.
(b) The amount of work done during a constant volume process is always lower than at
constant pressure.
(c) In a constant pressure process, the surroundings do work on the system and therefore all
of the heat flow can be used to increase AU.
(d) This isn't true. There is only a negligible change for gases upon heating.

5. If Cv.m (7/2)nR, what is y (where y = CP,m/Cv,m)?
=
(a) 7/8
(b) 4
(c) 9/7
(d) 7/4

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