What is the Law of Conservation of Mass?
Law of Conservation of Mass

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•
Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The Law of Conservation of Mass states that mass is neither created nor destroyed in a chemical reaction. The total mass of the reactants equals the total mass of the products.
2.
FLASHCARD QUESTION
Front
What are reactants in a chemical equation?
Back
Reactants are the starting substances in a chemical reaction that undergo change to form products.
3.
FLASHCARD QUESTION
Front
What are products in a chemical equation?
Back
Products are the substances formed as a result of a chemical reaction.
4.
FLASHCARD QUESTION
Front
What does a coefficient in a chemical equation represent?
Back
A coefficient indicates the number of molecules or moles of a substance involved in a reaction.
5.
FLASHCARD QUESTION
Front
What does a subscript in a chemical formula indicate?
Back
A subscript indicates the number of atoms of an element in a molecule.
6.
FLASHCARD QUESTION
Front
How do you balance a chemical equation?
Back
To balance a chemical equation, you adjust the coefficients of the reactants and products to ensure the same number of each type of atom on both sides.
7.
FLASHCARD QUESTION
Front
Why is it important to balance chemical equations?
Back
Balancing chemical equations is important because it reflects the conservation of mass and ensures that the reaction obeys the law of conservation of mass.
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