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Test: 2nd and 3rd Law of Thermodynamics and Entropy - Chemistry MCQ


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10 Questions MCQ Test - Test: 2nd and 3rd Law of Thermodynamics and Entropy

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Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 1

Which of the following is correct?

Detailed Solution for Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 1

For an isolated system with no exchange of energy with environment Q=0 and also dS>=dQ / T.

Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 2

Entropy may decline locally somewhere within the isolated system. How can one clarify this statement?

Detailed Solution for Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 2

The net effect of an irreversible process is an increase in entropy of the entire system.

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Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 3

The entropy of an isolated system continuously ____ and becomes a ____ at the state of equilibrium.

Detailed Solution for Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 3

If an isolated system’s entropy differs from some parameter, then that parameter has a certain value that maximizes the entropy.

Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 4

Which of the following may be regarded as applying the principle of entropy?

Detailed Solution for Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 4

These are some general applications of the entropy principle.

Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 5

Which of the following laws was expressed by Nernst?

Detailed Solution for Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 5

Third law of thermodynamics was expressed by Nernst and it states that entropy of a system at absolute zero remains constant.

Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 6

According to the entropy theorem, the entropy of an isolated system can never decrease and will remain constant only when the process is reversible.

Detailed Solution for Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 6

The second law of thermodynamics, which states that the entropy of an isolated system not in equilibrium will tend to increase over time, approaching a maximum value at equilibrium. According to this law, the entropy of an isolated system can indeed never decrease; it will either increase or remain constant if the system is undergoing a reversible process.

Therefore, the correct answer is: True

Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 7

Clausius summed up the first and second laws concerning thermodynamics as

Detailed Solution for Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 7

Clausius gave these two statements.

Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 8

The entropy principle is the quantitative statement of the second law of thermodynamics.

Detailed Solution for Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 8

This is an overall fact about the entropy principle.

Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 9

The final temperatures of two bodies, initially at T1 and T2 can range from

Detailed Solution for Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 9

(T1+T2)/2 is when no work is done, and sqrt(T1*T2) is the temperature with maximum work distribution.

Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 10

Which of the following laws was expressed by Nernst?

Detailed Solution for Test: 2nd and 3rd Law of Thermodynamics and Entropy - Question 10

Third law of thermodynamics was expressed by Nernst and it states that entropy of a system at absolute zero remains constant.

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