Exothermic and Endothermic Reactions

Flashcard
•
Chemistry
•
8th - 11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an exothermic reaction?
Back
An exothermic reaction is a chemical reaction that releases energy, usually in the form of heat.
2.
FLASHCARD QUESTION
Front
What happens to energy in an endothermic reaction?
Back
In an endothermic reaction, energy is absorbed from the surroundings.
3.
FLASHCARD QUESTION
Front
What is the effect of an exothermic reaction on temperature?
Back
The temperature increases as heat is released into the surroundings.
4.
FLASHCARD QUESTION
Front
What is the effect of an endothermic reaction on temperature?
Back
The temperature decreases as heat is absorbed from the surroundings.
5.
FLASHCARD QUESTION
Front
Can you give an example of an endothermic reaction?
Back
Dissolving ammonium nitrate in water is an example of an endothermic reaction.
6.
FLASHCARD QUESTION
Front
What is a physical change?
Back
A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.
7.
FLASHCARD QUESTION
Front
What is the difference between exothermic and endothermic reactions?
Back
Exothermic reactions release energy, while endothermic reactions absorb energy.
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