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Entropy

Authored by learn Eduskyline

Chemistry

12th Grade

Entropy
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the symbol for entropy?

H

G

S

E

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Entropy is a measure of

accuracy

precision

the disorder of a system

the attraction of a nucleus for an electron

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these processes represents a decrease in entropy?

sublimation of CO2

boiling water

condensation of steam on cold glass

NaCl dissolving in water

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The entropy will usually increase when

a molecule is broken into two or more smaller molecules

a reaction occurs that results in an increase in the number of moles of gas

a solid changes to a liquid

all of these

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which sample has the lowest entropy?

1 mole of KNO3(l)

1 mole of KNO3(s)

1 mole of H2O(l)

1 mole of H2O(g)

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which state of matter has the greatest motion and least orderly arrangement?

solid

liquid

gas

aqueous

7.

MULTIPLE CHOICE QUESTION

2 mins • 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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