Balancing Equations

Flashcard
•
Chemistry
•
11th Grade
•
Hard
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15 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 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 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 is neither created nor destroyed in a chemical reaction; it is conserved.
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
Balance the equation: C + O2 → CO2
Back
1 C + 2 O2 → 1 CO2 (already balanced)
7.
FLASHCARD QUESTION
Front
What does it mean to balance an equation with respect to charge?
Back
Balancing an equation with respect to charge means ensuring that the total charge is the same on both sides of the equation, especially in redox reactions.
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