Conservation of Mass
Flashcard
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Science
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•
Practice Problem
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Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Law of Conservation of Mass?
Back
The Law of Conservation of Mass states that in a closed system, the mass of the reactants must equal the mass of the products in a chemical reaction.
2.
FLASHCARD QUESTION
Front
True or False: The mass of the reactants is equal to the mass of the products.
Back
True
3.
FLASHCARD QUESTION
Front
What happens to the mass of water when it freezes into ice?
Back
The mass of the ice is the same as the mass of the water.
4.
FLASHCARD QUESTION
Front
If a reaction starts with 20g of reactants, what should be the total mass of the products?
Back
The total mass of the products should be 20g.
5.
FLASHCARD QUESTION
Front
What is the smallest unit of an element?
Back
The smallest unit of an element is an atom.
6.
FLASHCARD QUESTION
Front
What is an atom?
Back
An atom is the basic unit of a chemical element, consisting of a nucleus surrounded by electrons.
7.
FLASHCARD QUESTION
Front
What is a molecule?
Back
A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.
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