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- **flashcard. S8p1f. Conservation Of Matter In Reactions
**Flashcard. S8P1f. Conservation of Matter in Reactions
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
What is the conservation of matter in a chemical reaction?
Back
Matter is conserved; the total mass of reactants equals the total mass of products.
2.
FLASHCARD QUESTION
Front
In a reaction A + B --> C, if reactant A has 5g and product C has 9g, how many grams does reactant B have?
Back
4g
3.
FLASHCARD QUESTION
Front
How does the law of conservation of mass apply to the reaction @@2KClO_3 ightarrow 2KCl + 3O_2@@?
Back
The mass of is equal to the mass of and .
4.
FLASHCARD QUESTION
Front
In a chemical reaction within a closed system, what is conserved?
Back
Mass and the number of atoms.
5.
FLASHCARD QUESTION
Front
What does the 2 in front of represent in the equation @@2H_2 + O_2 ightarrow 2H_2O@@?
Back
The number of molecules produced.
6.
FLASHCARD QUESTION
Front
Define the law of conservation of mass.
Back
The law states that mass is neither created nor destroyed in a chemical reaction.
7.
FLASHCARD QUESTION
Front
What happens to the total mass of reactants in a chemical reaction?
Back
The total mass of reactants equals the total mass of products.
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