Rates of Chemical Reactions
Authored by Samantha Lewis
Chemistry
University
NGSS covered
Used 19+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do chemical reactions occur?
Slowly over time
Within seconds
At very different rates
By mixing chemicals
Tags
NGSS.HS-PS1-5
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are at least TWO variables that affect the rate of a reaction?
Temperature
Concentration
Catalyst
The elements present
Tags
NGSS.HS-PS1-5
3.
DRAG AND DROP QUESTION
1 min • 1 pt
Adding a catalyst (a) the activation energy.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does an increase in concentration do to the probability of a productive collision?
Increases
Decreases
Stabilizes
None of these
Tags
NGSS.HS-PS1-5
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Why is the initial rate of reaction investigated?
(CHECK ALL THAT APPLY)
Because it is easy to determine initial concentrations of reactants
An equation can be written that relates reaction rate to the initial concentration of all the reactants
Because it is easy to determine final concentrations of reactants
Because it is easy to determine initial concentrations of the products
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the order of each component of the experiment?
Change the concentration of only one component at a time.
Change the concentration of two components at a time
Change the concentration of multiple components at a time
None of these
Tags
NGSS.HS-PS1-5
7.
DROPDOWN QUESTION
1 min • 1 pt
The indicator is (a) for the reaction.
Tags
NGSS.MS-PS1-2
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