Entropy Quiz #1
Assessment
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Jo Standley
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Chemistry
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12th Grade
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642 plays
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Medium
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20 questions
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1.
Multiple Choice
What is the symbol for entropy?
H
G
S
E
2.
Multiple Choice
Which represents a decrease in entropy?
sublimation of CO2
boiling water
condensation of steam on cold glass
NaCl dissolving in water
3.
Multiple Choice
Which represents a -ΔS?
ice melting
salt dissolving
water heating up
none of these
4.
Multiple Choice
Which of the following scenarios describes a process with a negative entropy change?
Building a skyscraper
A clean room becomes cluttered
An igloo melting
Osmosis (I hope you know your Biology!)
5.
Multiple Choice
Which of these have a DECREASE in entropy?
CaCO3(s) → CaO(s) + CO2(g)
2NO2(g) → N2O4(g)
2NH3(g) → 3H2(g) + N2(g)
C6H6(l) → C6H6(g)
6.
Multiple Choice
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
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