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Viefleur [7K]
3 years ago
5

PLEASE ANSWER FAST AND YOU WILL GET 15 POINTS AND BRAINLIEST if you answer both questions

Chemistry
1 answer:
nika2105 [10]3 years ago
8 0

Answer:

1. C. Lithosphere

2. A. Earthquakes

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Which chemical equation demonstrates the law of conservation of mass!
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Answer:

F. 2NO + 02 —> 2NO

H. 4NH3 + 502 —> 4NO + 6H20

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The law of conservation of mass states that matter can neither be created nor destroyed during a chemical reaction but can be convert from one form to another.

2NO + 02 —> 2NO

From the above, the total number of N on the left balance the total number on the right i.e 2 atoms of N on both side of the equation.

The total number of O on the left balance the total number on the right i.e 2 atoms of O on both side of the equation. This is certified by the law of conservation of mass.

4NH3 + 502 —> 4NO + 6H20

From the above, the total number of N on the left balance the total number on the right i.e 4 atoms of N on both side of the equation.

The total number of O on the left balance the total number on the right i.e 10 atoms of O on both side of the equation.

The total number of H on the left balance the total number on the right i.e 12 atoms of O on both side of the equation.

This is certified by the law of conservation of mass.

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