What is a balanced chemical equation?
Balancing Chemical Equations

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•
Science
•
8th Grade
•
Hard
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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 are coefficients in a chemical equation?
Back
Coefficients are the numbers placed before the compounds in a chemical equation to indicate the number of molecules or moles of each substance involved in the reaction.
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 law of conservation of mass?
Back
The law of conservation of mass states that mass cannot be created or destroyed in a chemical reaction; it can only change forms.
5.
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.
6.
FLASHCARD QUESTION
Front
What does it mean to balance a chemical equation?
Back
To balance a chemical equation means to adjust the coefficients so that the number of atoms for each element is the same on both sides.
7.
FLASHCARD QUESTION
Front
Example of a balanced equation: 2H2 + O2 -> 2H2O. What does this indicate?
Back
This indicates that 2 molecules of hydrogen react with 1 molecule of oxygen to produce 2 molecules of water, conserving mass.
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