Statistical Mechanics

Entropy Quiz with Answers

Welcome to the Entropy MCQs with Answers. In this post, we have shared Entropy Online Test for different competitive exams. Find practice Entropy Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Entropy.

Entropy Online Quiz

By presenting 3 options to choose from, Entropy Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Entropy Questions and Answers and click over the correct answer.

  • Test Name: Entropy MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

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Entropy

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1 / 40

Which state has the highest entropy?

2 / 40

A spontaneous reaction has a __________ entropy change.

3 / 40

Which quantity is used to predict the spontaneity of a process?

4 / 40

Entropy is measured in units of __________.

5 / 40

Entropy change (ΔS) is positive for __________ reactions.

6 / 40

The standard entropy change for the formation of a compound from its elements is known as __________.

7 / 40

During which process does entropy remain constant?

8 / 40

Entropy change is __________ for an adiabatic process.

9 / 40

Entropy is a thermodynamic quantity that represents the unavailability of a system's __________.

10 / 40

Which scientist is associated with the concept of entropy?

11 / 40

When ice melts into water, the entropy __________.

12 / 40

What is entropy a measure of?

13 / 40

Which substance would have the lowest entropy at 25°C?

14 / 40

In which type of reaction is the entropy change typically positive?

15 / 40

What is the term for the measure of the number of possible arrangements of a system?

16 / 40

Entropy increases with the __________ of energy dispersal in a system.

17 / 40

Which of the following has the highest molar entropy at standard conditions?

18 / 40

In an isolated system, entropy tends to __________.

19 / 40

Which phase of matter has the highest entropy?

20 / 40

What is the symbol for entropy in thermodynamic equations?

21 / 40

Which law of thermodynamics states that entropy of an isolated system never decreases?

22 / 40

Which factor does NOT affect the entropy of a system?

23 / 40

Which reaction type generally increases the entropy of the system?

24 / 40

What is the effect on entropy when a gas expands into a vacuum?

25 / 40

The Second Law of Thermodynamics implies that natural processes tend to move towards __________.

26 / 40

Entropy is often referred to as a measure of __________.

27 / 40

What happens to the entropy of the universe in a spontaneous process?

28 / 40

Which principle states that the total entropy of an isolated system can never decrease over time?

29 / 40

The concept of entropy was introduced by __________.

30 / 40

In an exothermic reaction, the entropy of the surroundings __________.

31 / 40

Which of the following processes is associated with a decrease in entropy?

32 / 40

Entropy is associated with the __________ of a system.

33 / 40

The entropy of a perfect crystal at absolute zero is __________.

34 / 40

In a reversible process, the change in entropy is __________.

35 / 40

Entropy generally increases when a substance changes from __________.

36 / 40

Which of the following reactions would result in a decrease in entropy?

37 / 40

The entropy of a substance __________ as it changes from gas to liquid.

38 / 40

For a given substance, entropy increases with __________.

39 / 40

Entropy of a system is a __________ property.

40 / 40

Entropy is a measure of __________ in a system.

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