Principles of Biology
Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 6, Problem 1TY

According to the second law of thermodynamics.

  1. energy cannot be created or destroyed.
  2. each energy transfer decreases the disorder of a system.
  3. energy is constant in the universe.
  4. each energy transfer increases the disorder of a system.
  5. chemical energy is a form of potential energy.

Expert Solution & Answer
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Summary Introduction

Introduction:

Thermodynamics is known as the branch of physics which provides information about the correlation between heat and other forms of energy.

Answer to Problem 1TY

The correct answer is option (d) each energy transfer increases the disorder of a system.

Explanation of Solution

Explanation/justification for the correct answer:

Option (d) Each energy transfer increases the disorder of a system. According to the second law of thermodynamics, the entropy or disorderedness always tends to increase in an isolated system. The disorderedness increases with transfer of energy. For example: when heat is provided to a single molecule of five-membered carbohydrate, it leads to the formation of five molecules of carbon dioxide, which is more disordered as compared to single-molecule. So, the correct answer is option (d).

Explanation for incorrect answer:

Option (a) energy cannot be created or destroyed. This is the first law of thermodynamics known as the law of conservation of energy, and not the second law of thermodynamics So, this is an incorrect answer.

Option (b) each energy transfer decreases the disorder of a system. The event of energy transfer increases the related disorderedness with it. The disorderedness does not decrease on energy transfer. So, this is an incorrect answer.

Option (c) energy is constant in the universe. It is the first law of thermodynamics, according to which the energy can neither be created nor be destroyed. As a result, the total amount of energy present in the universe remains constant. So, this is an incorrect answer.

Option (e) chemical energy is a form of potential energy. The chemical energy to be known as the form of potential energy that comes under the first law of thermodynamics, and not the second law. So, this is an incorrect answer.

Conclusion

According to the second law of thermodynamics, each energy transfer increases the disorder of a system. Hence, the correct answer is option (d) each energy transfer increases the disorder of a system.

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Students have asked these similar questions
Which of the following is TRUE regarding the second law of thermodynamics?      The quality of the energy in the universe increases over time.   The entropy of the universe is always increasing.   Energy is conserved in the universe.   The energy of the universe is always increasing.   Entropy is conserved in the universe.
Which of the following best describes a thermodynamically favorable (spontaneous) chemical reaction?  It has a ΔG that is greater than zero and is endergonic. It has a ΔG that is greater than zero and is exergonic. It has a ΔG that is less than zero and is endergonic. It has a ΔG that is less than zero and is exergonic.
Which of the following is a description of an example of the second law of thermodynamics? Some chemical energy in glucose transforms to chemical energy in ATP. O The kinetic energy of wind turns the blades of a wind turbine. The chemical energy in gasoline is transformed to kinetic energy to drive a car. The mechanical energy of flowing water turns a turbine. Some chemical energy in gasoline is transformed to heat while driving a car.
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