8.5E - Law of Conservation of Mass
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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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.
Tags
NGSS.MS-PS1-5
2.
FLASHCARD QUESTION
Front
What are reactants in a chemical equation?
Back
Reactants are the starting substances that undergo a chemical change in a reaction.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
FLASHCARD QUESTION
Front
If 12g of Carbon reacts with 16g of Oxygen, how much carbon monoxide (CO) is formed?
Back
28g of carbon monoxide (CO) is formed.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
FLASHCARD QUESTION
Front
In a chemical reaction, if 2g of Hydrogen and 4g of Oxygen react, how much water is produced?
Back
6g of water is produced.
Tags
NGSS.MS-PS1-5
5.
FLASHCARD QUESTION
Front
In the reaction AB -> A + B, if reactant AB has 12g and product B has 5g, how many grams should product A have?
Back
Product A should have 7g.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
FLASHCARD QUESTION
Front
In a reaction A + B -> C, if reactant A has 5g and product C has 9g, how many grams should reactant B have?
Back
Reactant B should have 4g.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
FLASHCARD QUESTION
Front
What is a chemical equation?
Back
A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products along with their quantities.
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-5
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