Entropy

Entropy

11th Grade

15 Qs

quiz-placeholder

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Entropy

Entropy

Assessment

Quiz

Chemistry

11th Grade

Practice Problem

Hard

NGSS
HS-PS3-4

Standards-aligned

Created by

Charles Martinez

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When ∆ S is negative there is a(n)__________ in Entropy

increase

decrease

exothermic change

endothermic change

Tags

NGSS.HS-PS3-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When ∆ S is positive there is a(n)__________ in Entropy

increase

decrease

exothermic change

endothermic change

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which reaction has the greatest increase in entropy?

2H20 (l) --> 2H2 (g) + O2 (g)

2H2O(g)--> 2H2(g) + O2(g)

H2O(g) --> H2O(l)

H2O(l) -->H2O(s)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which process is accompanied by a decrease in entropy?

boiling of water

condensing of water vapor

subliming of iodine

melting of ice

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Systems in nature tend to undergo changes toward

lower energy and less disorder

lower energy and more disorder

higher energy and less disorder

higher energy and more disorder

Tags

NGSS.HS-PS3-4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given the change of phase:

CO2(g) —> CO2(s)

As CO2(g) changes to CO2(s), the entropy of the system

decreases

increases

remains the same

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which phase change represents a decrease in entropy?

solid to liquid

gas to liquid

liquid to gas

solid to gas

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