Catalysts and Activation Energy
Quiz
•
Science
•
12th Grade
•
Practice Problem
•
Medium
Standards-aligned
Lisa Thompson
Used 3+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do you call the energy that is required to start a reaction?
Alternative energy
Activation energy
Atmospheric energy
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does a catalyst work in speeding up a reaction?
By lowering the activation energy or reaction
by making them more available
by giving them more energy
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The following graph shows two different reaction pathways for the same overall reaction at the same temperature. Which pathway is slower and why?
Red, because the activation energy is larger
Blue, because the activation energy is lower
both reaction progress at the same rate
Tags
NGSS.HS-PS1-4
4.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
The activation energy needed for a chemical reaction is decreased by a
catalyst
reactant
product
substrate
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Many of the proteins in the human body are enzymes that catalyze chemical reactions. What is the relationship between enzymes and activation energy?
When an enzyme catalyzes a reaction, it increases the activation energy of the reaction
When an enzyme catalyzes a reaction, it increases the activation energy of the product.
When an enzyme catalyzes a reaction, it decreases the activation energy of the reaction.
When an enzyme catalyzes a reaction, it does not affect the activation energy of the
reaction
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the relationship between enzymes and activation energy?
When an enzyme catalyzes a reaction, it increases the activation energy of the reaction
When an enzyme catalyzes a reaction, it increases the activation energy of the product.
When an enzyme catalyzes a reaction, it decreases the activation energy of the reaction.
When an enzyme catalyzes a reaction, it does not affect the activation energy of the
reaction
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Many of the proteins in the human body are enzymes that catalyze chemical reactions. What is the relationship between enzymes and activation energy?
When an enzyme catalyzes a reaction, it increases the activation energy of the reaction
When an enzyme catalyzes a reaction, it increases the activation energy of the product.
When an enzyme catalyzes a reaction, it decreases the activation energy of the reaction.
When an enzyme catalyzes a reaction, it does not affect the activation energy of the
reaction
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