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Worksheets5.2 Entropy
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
The following statements are true for entropy EXCEPT
a)
entropy is the measure of molecular disorder
b)
entropy is greater if matter is more dispersed
c)
gases have more entropy than liquids of the same substance and temperature
d)
lowering the temperature causes entropy to increase.
2.
Entropy increases from solid, liquid to gas. Why?
a)
Molecular disorder increases
b)
Molecular randomness decreases
c)
Molecules are more energetic
d)
Molecules are more reactive
3.
Which statement is TRUE about entropy for a spontaneous reaction?
a)
ΔSuni is always decreasing
b)
ΔSuni = +ve
c)
ΔSuni = -ve
d)
ΔSuni = 0
4.
Standard molar entropy is shown below. The following statements are true EXCEPT
a)
Entropy for solid is lowest
b)
Entropy for gas is highest
c)
Increase in entropy from solid to gas
d)
Increase in orderliness from solid to gas
5.
Predict the entropy change and its spontaniety
a)
ΔS = +ve and non spontaneous
b)
ΔS = -ve and spontaneous
c)
ΔS = -ve and non spontaneous
d)
ΔS = +ve and spontaneous
6.
Predict the entropy change and its spontaniety
a)
ΔS = +ve and non spontaneous
b)
ΔS = -ve and spontaneous
c)
ΔS = -ve and non spontaneous
d)
ΔS = +ve and spontaneous
7.
Predict the entropy change and its spontaniety
a)
ΔS = +ve and non spontaneous
b)
ΔS = -ve and spontaneous
c)
ΔS = -ve and non spontaneous
d)
ΔS = +ve and spontaneous
8.
Predict the entropy change, ΔS.
a)
ΔS = +ve
b)
ΔS = -ve
c)
ΔS = 0
d)
ΔS = no change
9.
Predict the entropy change, ΔS.
a)
ΔS = +ve
b)
ΔS = -ve
c)
ΔS = 0
d)
ΔS = no change
10.
Predict the entropy change, ΔS.
a)
ΔS = +ve
b)
ΔS = -ve
c)
ΔS = 0
d)
ΔS = little change
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