Internal energy change of a system over one complete cycle in a cyclic process

10.  Internal energy change of a system over one complete cycle in a cyclic process 
A.  dependent on the path
B.  -ye
C.  +ve
D.  zero



Ans: D

Solubility of a substance which dissolves with an increase in volume and liberation of heat vi1l be favoured by the

9.  Solubility of a substance which dissolves with an increase in volume and liberation of heat vi1l be favoured by the 
A.  low pressure and high temperature
B.  high pressure and low temperature
C.  low pressure and low temperature
D.  high pressure and high temperature

Ans: C

What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor?

8. What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor? 
A.  1
B.  2
C.  3
D.  4

Ans: B

Heating of water under atmospheric pressure is an ________ process

7. Heating of water under atmospheric pressure is an ________ process 
A.  isobaric
B.  adiabatic
C.    isochoric
D.    isothermal

Ans: A

Entropy is a measure of the _________ of a system

6. Entropy is a measure of the _________ of a system 
A.  orderly behaviour
B.  disorder
C.  temperature changes only
D.  none of these

Ans: B

The free energy change for a chemical reaction is given by (where, K = equilibrium constant)

5.  The free energy change for a chemical reaction is given by (where, K = equilibrium constant) 
A.  RTInK
B.  T1nK
C.  -RTlnK
D.  - R inK

Ans: C

Work done is a

4.  Work done is a 
A.  property of the system
B.  path function
C.  point function /
D.  state description of a systeni X

Ans: C