AnswersPA-Science 8 Q1Lab: Rate of Chemical Reactions

Lab: Rate of Chemical Reactions — Unit test Answers

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Sheena wants to measure the volume of a ball that is 24 cm across. How should she set up her equation?

A
v = one-third pi 24 squared (12).
Option A
B
v = one-third p 12 squared (24).
Option B
C
v = four-thirds pi 24 cubed.
Option C
D
v = four-thirds pi 12 cubed.
Option D
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Which describes a scenario that would most likely use an inhibitor?

A
During activity, sugar is converted to energy.
B
When at rest, the body stores sugar.
C
After a meal, protein digestion occurs in the stomach.
D
Before a meal, digestive juices are preparing for food.
24

If a catalyst lowers the activation energy, what raises the activation energy?

A
heat
B
a reaction
C
another catalyst
D
an inhibitor
25

[BLANK]

A
synthesis
B
polymerization
C
decomposition
D
oxidation
E
replacement

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