AnswersPA-Science 8 Q1Types of Chemical Reactions

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✔ collidedo not collidedisappear

A
✔ collide
B
do not collide
C
disappear
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What factors could be used to increase reaction rate? Check all that apply.using an inhibitorusing a catalystincreasing temperatureincreasing pressuredecreasing concentration

A
using an inhibitor
B
using a catalyst
C
increasing temperature
D
increasing pressure
E
decreasing concentration
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Use the graph to answer the questions.

Answers:
Selection 1:activation energy
The energy of the products is than the energy of the reactants.:lower
Selection 3:exothermic
71815

Use the graph to answer the questions.

Answers:
Selection 1:activation energy
The energy of the products is than the energy of the reactants.:lower
Selection 3:exothermic
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the same as✔ lowerhigher

A
the same as
B
✔ lower
C
higher
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endothermic✔ exothermicendothermic with a catalystexothermic with a catalyst

A
endothermic
B
✔ exothermic
C
endothermic with a catalyst
D
exothermic with a catalyst
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Chemicals that are able to slow or stop the reaction rate are

A
inhibitors.
B
reactants.
C
products.
D
catalysts.

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