Thermodynamic and Statistical Physics-Free Energy (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 3 of 9

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Question number: 1

» Thermodynamic and Statistical Physics » Free Energy

Appeared in Year: 2013

MCQ▾

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.

Entropy

c.

Helmholtz free energy

d.

Gibbs free energy

Question number: 2

» Thermodynamic and Statistical Physics » Free Energy

Appeared in Year: 2014

MCQ▾

Question

The free energy F of a system depends on a thermodynamic variable Equation as Equation withEquation . The value ofEquation , when the system is in thermodynamic equilibrium, is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Zero

Question number: 3

» Thermodynamic and Statistical Physics » Free Energy

Appeared in Year: 2013

MCQ▾

Question

Two different thermodynamic system are described by the following equations of state –

Equation

Equation

Where Equation and Equation are respectively the temperatures, the mole numbers and the internal energies of the two systems, and R is the gas constant. Let Equation denote the total energy when these two systems are put in contact and attain thermal equilibrium. The ratio Equation is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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