BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 5, Problem 1SA

Which of the following statements is not correct?

a. Energy cannot be created or destroyed.
b. Energy cannot change from one form to another.
c. Energy tends to disperse spontaneously.
d. Energy can be transferred.
Expert Solution & Answer
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Summary Introduction

Introduction:

Energy can be defined as the capacity to do work. Thermodynamics involves the study of heat and other forms of energy. There are two laws of thermodynamics.

Answer to Problem 1SA

Correct answer:

Energy cannot change from one form to another is not a correct statement. Hence, the correct answer is option b.

Explanation of Solution

Reason for correct answer:

Option b. is given as “Energy cannot change from one form to another.”

Laws of thermodynamics are, one form of energy can be changed into another form, it cannot be created or destroyed, and the total amount of energy and matter remains constant in the Universe. Therefore, the given statement is not correct.

Reason for incorrect answer:

Option a. is given as, “Energy cannot be created or destroyed.”

It is the first law of thermodynamics. Forms of energy can be changed or can be transferred from one object to another. The statement is correct. Hence, option a. is incorrect.

Option c. is given as, “Energy tends to disperse spontaneously.”

The second law of thermodynamics suggests that any process will proceed in a typical direction that increases the overall entropy of the universe. Entropy is “the degree of randomness” or specific disorder that exists in a system. Every transfer of energy increases the overall entropy of the universe and decrease the amount of usable energy for doing work. Therefore, energy tends to disperse spontaneously until no part of a system holds more than another part. The given statement is correct. Hence, option c. is incorrect.

Option d. is given as, “Energy can be transferred.”

Energy exists in many forms. It can be moved from one object to another as heat, light, or motion. The given statement is correct. Hence, option d. is incorrect.

Hence, the options a.,c., and d. are incorrect.

Conclusion

Energy can change its form. The statement given is not correct. Thus, the correct option is b.

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