What is the primary purpose of an energy diagram in chemistry?

Chemical Reaction Energy Concepts

Interactive Video
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Chemistry, Science, Physics
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9th - 12th Grade
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Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To measure the speed of a reaction
To depict the energy changes during a reaction
To calculate the mass of reactants
To determine the color of the products
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a chemical reaction, what does the transition state represent?
The lowest energy point in the reaction
The final state of products
The initial state of reactants
The highest energy configuration during the reaction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On an energy diagram, what does the vertical axis typically represent?
Pressure
Temperature
Time
Potential energy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an exergonic reaction, how do the energy levels of products compare to reactants?
Products have higher energy than reactants
Products have lower energy than reactants
Products have the same energy as reactants
Energy levels are not depicted in exergonic reactions
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of activation energy in a chemical reaction?
It determines the color of the products
It is the energy released during the reaction
It is the energy required to reach the transition state
It measures the mass of the reactants
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a large activation barrier affect a chemical reaction?
It speeds up the reaction
It slows down the reaction
It has no effect on the reaction
It changes the color of the reactants
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an endergonic reaction, what must occur for the reaction to proceed?
Energy must be released
Energy must be absorbed
No energy change is required
The reaction must be exothermic
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