Moh Abdul Rehman M.

asked • 12/16/17

Question is about entropy

There are two gases A and B. Temperature of both gases is increased,but keeping the volume of gas A constant and pressure of gas B constant. What happens to entropy ,does Entropy of A increases or entropy of B increases Or both gases have same entropy?

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J.R. S. answered • 12/16/17

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Ph.D. in Biochemistry--University Professor--Chemistry Tutor
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In both cases there will be an increase in entropy. 
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Moh Abdul Rehman M.

I know Entropy changes, question is whether After the increase or change in entropy, the entropy of A or B is greater in comparison Or both have same entropy 
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12/16/17

J.R. S.

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That will depend on the specific heat of each gas under the condition stated. So at constant pressure
ΔS = Cp ln(T2/T1)
and at constant volume 
ΔS = Cv ln (T2/T1)
 
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12/16/17

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