What is an exothermic reaction?
Balancing Chemical Equations and types of Reactions

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Chemistry
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A reaction that releases heat to its surroundings.
2.
FLASHCARD QUESTION
Front
What is an endothermic reaction?
Back
A reaction that absorbs heat from its surroundings.
3.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
In a chemical reaction, mass is neither created nor destroyed; it is conserved.
4.
FLASHCARD QUESTION
Front
What are coefficients in a chemical equation?
Back
Numbers placed before compounds to indicate the number of molecules involved in the reaction.
5.
FLASHCARD QUESTION
Front
What are subscripts in a chemical formula?
Back
Numbers that indicate the number of atoms of an element in a molecule.
6.
FLASHCARD QUESTION
Front
How do you balance a chemical equation?
Back
By adjusting the coefficients to ensure the same number of each type of atom on both sides of the equation.
7.
FLASHCARD QUESTION
Front
What happens to the rate of a chemical reaction when temperature increases?
Back
The reaction rate usually increases.
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