Thermodynamic and Statistical PhysicsFree Energy (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1  4 of 9
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Question number: 1
» Thermodynamic and Statistical Physics » Free Energy
Appeared in Year: 2013
Question
Consider the melting transition of ice into water at constant pressure. Which of the following thermodynamic quantities does not exhibit a discontinuous change across the phase transition? (December)
Choices
Choice (4)  Response  

a.  Internal energy  
b.  Helmholtz free energy  
c.  Entropy  
d.  Gibbs free energy 
Question number: 2
» Thermodynamic and Statistical Physics » Free Energy
Appeared in Year: 2014
Question
The free energy F of a system depends on a thermodynamic variable as with . The value of , when the system is in thermodynamic equilibrium, is – (June)
Choices
Choice (4)  Response  

a. 
 
b.  Zero  
c. 
 
d. 

Question number: 3
» Thermodynamic and Statistical Physics » Free Energy
Appeared in Year: 2013
Question
Two different thermodynamic system are described by the following equations of state –
Where and are respectively the temperatures, the mole numbers and the internal energies of the two systems, and R is the gas constant. Let denote the total energy when these two systems are put in contact and attain thermal equilibrium. The ratio is – (December)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 4
» Thermodynamic and Statistical Physics » Free Energy
Appeared in Year: 2012
Question
The free energy of gas of N particles in a volume V and at a temperature T is where is a constant and denotes the Boltzmann constant. The internal energy of the gas is – (June)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
