What does the y-axis represent in an energy diagram?

Energy Changes in Chemical Reactions Through Diagrams and Graphs

Interactive Video
•
Chemistry, Biology, Science
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Energy
Temperature
Time
Reaction rate
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an exothermic reaction, what happens to the energy of the system?
It remains constant
It decreases
It increases
It fluctuates
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used for the energy required to reach the transition state in a reaction?
Kinetic energy
Activation energy
Potential energy
Thermal energy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a catalyst affect the activation energy of a reaction?
Increases it
Decreases it
Eliminates it
Has no effect
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a catalyst in a chemical reaction?
It changes the energy of the reactants
It changes the energy of the products
It alters the reaction pathway
It increases the energy of the products
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an endothermic reaction, what is the sign of delta H?
Negative
Undefined
Zero
Positive
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the energy of the reactants in an endothermic reaction?
It fluctuates
It increases
It remains the same
It decreases
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