
Chemical Reactions
Flashcard
•
Chemistry
•
6th - 7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process where substances (reactants) change into new substances (products) through the breaking and forming of bonds.
2.
FLASHCARD QUESTION
Front
What are reactants in a chemical reaction?
Back
Substances that undergo change during a chemical reaction.
3.
FLASHCARD QUESTION
Front
What are products in a chemical reaction?
Back
New substances formed as a result of a chemical reaction.
4.
FLASHCARD QUESTION
Front
What happens to the amount of products if the amount of reactants increases?
Back
The amount of products may increase.
5.
FLASHCARD QUESTION
Front
What is an exothermic reaction?
Back
A reaction that releases energy, usually in the form of heat, when products are formed.
6.
FLASHCARD QUESTION
Front
What is an endothermic reaction?
Back
A reaction that absorbs energy from its surroundings, causing a decrease in temperature.
7.
FLASHCARD QUESTION
Front
How does temperature affect the rate of a chemical reaction?
Back
Increasing temperature generally speeds up the reaction rate.
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