Chemistry Two Exam Four Review
Authored by Brandi Powell
Chemistry
University
NGSS covered
Used 2+ times
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73 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which change has a positive Delta S?
a
b
c
Answer explanation
more disorder/spreading out
Tags
NGSS.HS-PS3-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a
b
c
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mg(s)+Cl2(g)->MgCl2(s)
is Delta S negative or positive?
Negative
Positive
Answer explanation
negative so there is a decrease in entropy
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2H2S(g)+3O2(g)->2H20(g)+2SO2(g)
Is Delta S negative or positive?
Positive
Negative
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2O3(g)->3O2(g)
Is Delta S negative or positive?
Positive
Negative
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A
B
C
D
Tags
NGSS.HS-PS1-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
B
Answer explanation
This is because there are more arrangements B can have
Tags
NGSS.HS-PS3-4
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