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Law of Conservation of Mass Video

Last updated 2 months ago

6 Nsɛmmisa

Question 1

01:26

1

Question 2

01:39

1

Question 3

02:09

1

Question 4

02:40

1

Question 5

04:22

1

Question 6

04:34

1

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

If a closed system starts with 6 carbon atoms, how many carbon atoms will there be after a chemical reaction?

3

6

12

60

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2.

What is stored in the bonds between atoms?

Water

Energy

Sunlight

Properties

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3.

What happens to the number of atoms of any element after a chemical reaction?

It increases.

It decreases.

It stays the same.

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4.

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

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6.

Put the sentence in the correct order.
reactants a equal and reaction. products always in are The chemical