Rates/Rate law/Mechanisms
Authored by Mike Parsons
Chemistry
11th - 12th Grade
NGSS covered
Used 445+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The rate of a reaction is dependent on the concentration of the reactants
True
False
Tags
NGSS.HS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does collision theory state?
For a reaction to occur, particles must collide with sufficient energy.
For a reaction to occur, particles must collide with proper orientation.
Both of the above are correct.
Tags
NGSS.HS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The K value of a reaction is dependent on the concentration of the reactants.
True
False
Tags
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does a catalyst do?
Increase the rate of all steps of a reaction.
Lowers the activation energy of the slow step
Cools the reaction down
Increases the concentration of the reaction
Tags
NGSS.HS-PS1-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In an exothermic reaction, heat is ...
absorbed
released
Tags
NGSS.HS-PS1-4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In an endothermic reaction....
The products have more energy then the reactants.
The reactants have more energy then the products.
Tags
NGSS.HS-PS1-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of reaction occurs in a hand warmer
Tags
NGSS.HS-PS1-4
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