Discussion :: Chemical Engineering Thermodynamics
- With increase in temperature, the internal energy of a substance
|
A.
Increases |
|
B.
Decreases |
|
C.
Remains unchanged |
|
D.
May increase or decrease; depends on the substance |
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Answer : Option A
Explanation :
dU=CvdT−[P+T((∂V∂T)p(∂V∂P)T)dV]
SO, we can say on increasing the temperature the internal energy changes increases physically also when we give heat to a system some of the heat is used for raising the thermal energy of the system and doing some work by the system.
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