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kirill [66]
3 years ago
5

How can scientists determine when a radioactive substance will no longer be dangerous

Chemistry
1 answer:
LekaFEV [45]3 years ago
7 0
They can probably use those radioactive measuring things. But they will still use proper caution around it.
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How is density related to the color of igneous rocks?​
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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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