What is a balanced chemical equation?
Physical Science Balancing Equations

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Chemistry
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9th - 12th Grade
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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 do coefficients in a chemical equation represent?
Back
Coefficients represent the number of molecules or moles of a substance involved in a chemical reaction.
3.
FLASHCARD QUESTION
Front
How do you balance the equation: ____ Fe + ____ Cl2 → ____ FeCl3?
Back
The balanced equation is 2 Fe + 3 Cl2 → 2 FeCl3.
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; the total mass of reactants equals the total mass of products.
5.
FLASHCARD QUESTION
Front
What is a reactant?
Back
A reactant is a substance that undergoes a chemical change in a reaction.
6.
FLASHCARD QUESTION
Front
What is a product in a chemical reaction?
Back
A product is a substance that is formed as a result of a chemical reaction.
7.
FLASHCARD QUESTION
Front
How do you balance the equation: ____ H2SO4 + ____ NaNO2 → ____ HNO2 + ____ Na2SO4?
Back
The balanced equation is 1 H2SO4 + 2 NaNO2 → 2 HNO2 + 1 Na2SO4.
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