What is a balanced equation?
Balancing Equations

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•
Science
•
10th Grade
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
Back
A balanced equation has the same number of each type of atom on both sides of the equation, indicating that mass is conserved during a chemical reaction.
2.
FLASHCARD QUESTION
Front
What is the purpose of coefficients in a chemical equation?
Back
Coefficients are used to balance chemical equations by indicating the number of molecules or moles of each reactant and product.
3.
FLASHCARD QUESTION
Front
How do you determine if a chemical equation is balanced?
Back
Count the number of atoms of each element on both sides of the equation. If they are equal, the equation is balanced.
4.
FLASHCARD QUESTION
Front
What is the first step in balancing a chemical equation?
Back
Identify the number of atoms of each element in the reactants and products.
5.
FLASHCARD QUESTION
Front
What does the law of conservation of mass state?
Back
The law of conservation of mass states that mass cannot be created or destroyed in a chemical reaction.
6.
FLASHCARD QUESTION
Front
Balance the equation: H2 + O2 → H2O
Back
2H2 + O2 → 2H2O
7.
FLASHCARD QUESTION
Front
What are the coefficients for the reaction: __C3H8 + __O2 → __CO2 + __H2O?
Back
1, 5, 3, 4 (C3H8 + 5O2 → 3CO2 + 4H2O)
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