Reaction Rate Answers

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21
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AgNO3(aq) + Cu(s) CuNO3(aq) + Ag(s)

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A
increased rate
B
decreased rate
C
no change in rate
22
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Compress the air/fuel mixture inside an engine cylinder with a piston.

A
Particles collide more frequently.
B
Particles collide less frequently.
C
Particles collide with more force.
D
Particles collide with less force.
E
Particles do not collide.
23

Raise the boiling point of water with a pressure cooker.

A
Particles collide more frequently.
B
Particles collide less frequently.
C
Particles collide with more force.
D
Particles collide with less force.
E
Particles do not collide.
24

Grind a metal into a fine powder.

A
Particles collide more frequently.
B
Particles collide less frequently.
C
Particles collide with more force.
D
Particles collide with less force.
E
Particles do not collide.

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