What is an exothermic reaction?
Lesson 14 Flashcard

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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An exothermic reaction is a chemical reaction that releases energy in the form of heat or light.
2.
FLASHCARD QUESTION
Front
What is an endothermic reaction?
Back
An endothermic reaction is a chemical reaction that absorbs energy from its surroundings, usually in the form of heat.
3.
FLASHCARD QUESTION
Front
Define decomposition reaction.
Back
A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler substances.
4.
FLASHCARD QUESTION
Front
What is a single replacement reaction?
Back
A single replacement reaction is a chemical change in which one element replaces a second element in a compound.
5.
FLASHCARD QUESTION
Front
What is a double replacement reaction?
Back
A double replacement reaction is a chemical reaction where two compounds exchange ions or bonds to form two new compounds.
6.
FLASHCARD QUESTION
Front
What is a combustion reaction?
Back
A combustion reaction is a chemical reaction that occurs when a substance combines with oxygen, releasing energy in the form of heat and light.
7.
FLASHCARD QUESTION
Front
What is the general form of a decomposition reaction?
Back
The general form of a decomposition reaction is: AB -> A + B, where AB is a compound that breaks down into its elements.
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