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SCORPION-xisa [38]
3 years ago
8

What changes occur in O + O = O2

Chemistry
1 answer:
ozzi3 years ago
5 0

Answer:

They went from atoms to oxygen molecule.

Explanation:

I'm not sure if this is the answer your teacher is looking for, but in simple terms you had 2 oxygen atoms. Together they make an oxygen molecule, which is the stuff we breathe.

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610,000

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When 8.00x10^22 molecules of ammonia react with 7.00x10^22 molecules of oxygen according to the chemical equation shown below, h
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NH₃:

N = 8*10²²
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4NH₃                   <span>+                        3O</span>₂                      ⇒<span>          2N</span>₂<span> + 6H</span>₂<span>O
</span>4mol                     :                        3mol                   :             2mol
0.133mol             :                        0.116mol           :             0,0665mol
limiting reactant

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n = 0.0665mol
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m = n*M = 0.0665mol*28g/mol = <u>1,862g</u>
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