What is a balanced chemical equation?
Unit 5 Test: Chemical Reactions

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Chemistry
•
11th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A balanced chemical equation has the same number of each type of atom on both sides of the equation, indicating that mass is conserved during the reaction.
2.
FLASHCARD QUESTION
Front
What is an exothermic reaction?
Back
An exothermic reaction is a chemical reaction that releases heat, resulting in an increase in temperature of the surroundings.
3.
FLASHCARD QUESTION
Front
What is a double replacement reaction?
Back
A double replacement reaction is a type of chemical reaction where two compounds exchange ions or bonds to form two new compounds.
4.
FLASHCARD QUESTION
Front
What is a synthesis reaction?
Back
A synthesis reaction is a type of chemical reaction in which two or more substances combine to form a single new compound.
5.
FLASHCARD QUESTION
Front
How can you determine if a chemical equation is balanced?
Back
You can determine if a chemical equation is balanced by counting the number of atoms of each element on both sides of the equation and ensuring they are equal.
6.
FLASHCARD QUESTION
Front
What is the general form of a synthesis reaction?
Back
The general form of a synthesis reaction is A + B → AB, where A and B are reactants that combine to form product AB.
7.
FLASHCARD QUESTION
Front
What evidence indicates a chemical reaction has occurred?
Back
Evidence of a chemical reaction can include color change, temperature change, gas production, or the formation of a precipitate.
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