Balancing Equations

Flashcard
•
Science
•
10th Grade
•
Hard
Standards-aligned
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16 questions
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1.
FLASHCARD QUESTION
Front
What is a balanced chemical equation?
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.
Tags
NGSS.MS-PS1-5
2.
FLASHCARD QUESTION
Front
What does it mean to balance an equation?
Back
Balancing an equation means adjusting the coefficients of the reactants and products so that the number of atoms of each element is equal on both sides.
Tags
NGSS.MS-PS1-5
3.
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.
Tags
NGSS.MS-PS1-5
4.
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 how many molecules or moles of each substance are involved in the reaction.
Tags
NGSS.MS-PS1-5
5.
FLASHCARD QUESTION
Front
How do you determine if an 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.
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-5
6.
FLASHCARD QUESTION
Front
Balance the equation: C + O2 → CO2
Back
1, 1, 1
Tags
NGSS.MS-PS1-5
7.
FLASHCARD QUESTION
Front
Balance the equation: H2 + O2 → H2O
Back
2, 1, 2
Tags
NGSS.MS-PS1-5
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