Thermodynamics Second Law in Hindi

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Thermodynamics Second Law in Hindi. We covered all the Thermodynamics Second Law in Hindi in this post for free so that you can practice well for the exam.

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Thermodynamics Second Law Objective in Hindi for Students
The entropy of a perfectly crystalline solid at absolute zero is
For spontaneous process
Under isothermal conditions, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is (Given that 1 L bar = 100 J)
Mixing of a non reacting gases accompanied by
The total entropy of the system and surrounding a spontaneous process always

Thermodynamics Second Law Objective in Hindi for Students

The entropy of a perfectly crystalline solid at absolute zero is

(A) Positive

(B) Negative

(C) Zero

(D) Not fixed

Option c - Zero

For spontaneous process

(A) Entropy of the system increases.

(B) The free energy of the system increases.

(C) Total entropy change is always negative.

(D) Total entropy change is always positive.

Option d - Total entropy change is always positive

Under isothermal conditions, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is (Given that 1 L bar = 100 J)

(A) 5 kJ

(B) 25 J

(C) -30 J

(D) 30 J

Option d - 30 J

Mixing of a non reacting gases accompanied by

(A) Decreases in entropy

(B) Increases in entropy

(C) Change in enthalpy

(D) Change in free energy

Option b - Increases in entropy

The total entropy of the system and surrounding a spontaneous process always

(A) < 0

(B) > 0

(C) = 0

(D) May positive or negative value

Option b - > 0

We covered all the thermodynamics second law in Hindi above in this post for free so that you can practice well for the exam.

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