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Law of Conservation of Mass Video
By Newcomer International Center
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Last updated 22 days ago
6 questions
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Question 1
01:26
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Question 2
01:39
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Question 3
02:09
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Question 4
02:40
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Question 5
04:22
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Question 6
04:34
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Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 6
6.
Put the sentence in the correct order.
reactants a equal and reaction. products always in are The chemical
If a closed system starts with 6 carbon atoms, how many carbon atoms will there be after a chemical reaction?
3
6
12
60
What is stored in the bonds between atoms?
Water
Energy
Sunlight
Properties
What happens to the number of atoms of any element after a chemical reaction?
It increases.
It decreases.
It stays the same.
The amount of matter and energy at the beginning of a chemical reaction is ________________ the amount of matter and energy at the end.
More than
The same as
Less than