What is an exothermic reaction?
PS.Chem 5 Flashcard Review

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•
Chemistry
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A reaction that releases energy in the form of heat.
2.
FLASHCARD QUESTION
Front
What happens to particles when they are heated?
Back
They move faster.
3.
FLASHCARD QUESTION
Front
What effect does increased concentration have on reaction rate?
Back
It increases the reaction rate.
4.
FLASHCARD QUESTION
Front
What is the relationship between collisions and reaction rate?
Back
More collisions correspond to a faster reaction rate.
5.
FLASHCARD QUESTION
Front
What happens to equilibrium when a reactant is removed?
Back
The equilibrium shifts to the left.
6.
FLASHCARD QUESTION
Front
Define endothermic reaction.
Back
A reaction that absorbs energy from its surroundings.
7.
FLASHCARD QUESTION
Front
What is the role of temperature in chemical reactions?
Back
Higher temperatures generally increase reaction rates.
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