

Reaction Rates and Calculations Quiz
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a reaction rate typically expressed as?
The change in volume over time
The change in pressure over time
The change in the amount of reactant or product over time
The change in temperature over time
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with zinc and hydrochloric acid, what was the rate of reaction?
0.02 grams of zinc per 1 day
0.02 grams of zinc per 1 hour
0.02 grams of zinc per 1 second
0.02 grams of zinc per 1 minute
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can a conversion factor be used in calculations?
It is not used in calculations
It cannot be flipped
It can be flipped to suit the calculation needs
It can only be used in one direction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in calculating the rate of reaction in the magnesium and hydrochloric acid example?
Express the rate as the change in amount over time
Convert liters to gallons
Convert minutes to hours
Express the rate as the change in temperature over time
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the magnesium and hydrochloric acid example, what is the final unit for the rate of reaction?
Liters of hydrogen per minute
Milliliters of hydrogen per second
Liters of hydrogen per second
Milliliters of hydrogen per minute
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What conversion is necessary to calculate the volume of hydrogen produced in 7.5 minutes?
Convert hours to minutes
Convert liters to milliliters
Convert minutes to seconds
Convert seconds to minutes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the volume of hydrogen produced in 7.5 minutes at the given rate?
8.0 milliliters
7.8 milliliters
7.5 milliliters
7.2 milliliters
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