YEAR 9 REACTION RATES
Authored by CARL RODGERS
Chemistry
9th Grade
NGSS covered
Used 219+ times
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25 questions
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1.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
List four factors that affects the rate of a reaction
temperature
concentration
surface area
volume
catalysts
Tags
NGSS.HS-PS1-5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A temperature increase causes the particles ......
to slow down
move faster
collide higher
in the right order
Tags
NGSS.HS-PS1-5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How does a catalyst work in speeding up a reaction?
By lowering the activation energy or reaction
by giving them more energy
by making them more available
Tags
NGSS.HS-PS1-4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What does NOT happen when the temperature is increased?
Tags
NGSS.HS-PS1-5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
In an exothermic reaction, heat is ...
Tags
NGSS.HS-PS1-4
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Why does a higher concentration increase the rate of reaction?
it increases the amount of reactants
it lowers the activation energy
it increases the energy of particle collisions
it increases the frequency of particle collisions
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The ______________is required to break the bonds of the reactants.
Carbonic energy
Activation energy
Plutonic energy
Energi Gaib
Tags
NGSS.HS-PS1-4
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