Rates of Chemical Reactions
Authored by Lisa Thompson
Science
10th Grade
NGSS covered
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why don't all collisions between particles cause a reaction?
the particles also need to collide with a catalyst
not all the particles collide with enough energy
not all the particles collide at a high enough temperature
the particles need to collide with each other twice
Tags
NGSS.HS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following increase the reaction rate?
less surface area
lower temperature
increased concentration
Tags
NGSS.HS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Catalysts permit reactions to proceed along a ___________energy path.
lower
higher
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The minimum amount of energy needed for colliding particles to react is called
Chemical Energy
Kinetic Energy
Activation Energy
Potential Energy
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the name of the model which is used to explain how different factors affect the rate of a reaction?
Particle theory
Big Bang theory
Collision theory
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a possible unit for rate of reaction?
cm3/s
m/s
N
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following would speed up a reaction?
Using lumps instead of powder
Increasing the concentration of an acid
Decreasing the temperature
Tags
NGSS.HS-PS1-5
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