What does the term 'therm' refer to in the context of chemical reactions?

Understanding Endothermic and Exothermic Reactions

Interactive Video
•
Chemistry, Science
•
8th - 12th Grade
•
Medium

Mia Campbell
Used 30+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Heat
Motion
Light
Sound
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an exothermic reaction, what happens to the heat?
It remains constant.
It is converted into light.
It is released into the surroundings.
It is absorbed by the system.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an exothermic reaction?
Evaporation of water
Photosynthesis
Thermite reaction
Melting ice
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an endothermic reaction, how does the energy of the reactants compare to the products?
Reactants have less energy than products.
Reactants have more energy than products.
Reactants and products have equal energy.
Energy is not involved.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required to initiate an exothermic reaction?
No energy is required.
A catalyst
A decrease in temperature
Activation energy
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does an energy diagram for an exothermic reaction typically show?
A zigzag pattern
A flat line
A downhill reaction
An uphill reaction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an energy diagram, what does the x-axis represent?
Temperature
Time
Energy progress
Pressure
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