Related Questions

Entropy, which is a measure of the disorder of a system is
A Independent of pressure
B Independent of temperature
C Zero at absolute zero temperature for a perfect crystalline substance
D All of the above
A system is said to be at equilibrium, if the entropy of the system has reached __________ value.
A Minimum
B Zero
C Maximum
D None of these
Statement : He stressed the need to stop the present examination system and its replacement by other methods which would measure the rea merit of the students . Conclusions : I. Examinations should be abolished . II. The present examination system does not measure the real merit of the students.
A Conclusion I follows
B Conclusion II follow
C Both conclusions I and II follow
D Neither I nor II follows
Entropy change for an irreversible process taking system and surrounding together is
A 0
B > 0
C None of these
For spontaneous changes in an isolated system (S = entropy)
A Ds = 0
B Ds
C Ds > 0
D Ds = Constant
Entropy of the system decreases, when
A Snow melts into water
B A gas expands spontaneously from high pressure to low pressure
C Water is converted into ice
D Both B & C
The increase in entropy of a system represents
A Increase in availability of energy
B Increase in temperature
C Decrease in pressure
D Degradation of energy
Increase in the entropy of a system represents the
A Degradation of energy
B Decrease in system pressure
C Increase in the availability of energy
D Increase in the temperature
When a system is in equilibrium for all possible processes, the differential or finite change of entropy is
A [

A.

B. > 0

B = 0
C None of these
Entropy change for an irreversible isolated system is
A ∞
B 0
C > 0

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