What is the Law of Conservation of Matter?
Law of Conservation of Matter

Flashcard
•
Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The Law of Conservation of Matter states that matter cannot be created or destroyed in a chemical reaction; it can only change forms.
2.
FLASHCARD QUESTION
Front
What is another name for the Law of Conservation of Matter?
Back
Law of Conservation of Mass.
3.
FLASHCARD QUESTION
Front
In the equation 4Al + 3O2 --> 2Al2O3, how many aluminum atoms are present on each side?
Back
4 aluminum atoms.
4.
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.
5.
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.
6.
FLASHCARD QUESTION
Front
What does it mean when we say 'mass is conserved' in a chemical reaction?
Back
It means that the total mass of the reactants equals the total mass of the products.
7.
FLASHCARD QUESTION
Front
How can you represent the Law of Conservation of Mass visually?
Back
Using models or diagrams that show the same number of atoms before and after a reaction.
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