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Tasya [4]
3 years ago
12

Help me on this science question.

Chemistry
1 answer:
mel-nik [20]3 years ago
6 0
The answer is Amarillo
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When zinc or aluminum was allowed to react with the copper sulfate , what was the limiting reagen?
musickatia [10]
Usually it is the CuSO4 that is the limiting reagent. 

<span>if all of the color of the solution was gone, but there was still some zinc metal mixed in with the copper metal produced, then Zn is the excess reagent </span>

<span>f all of the color of the solution was not gone, but there was no zinc metal left in with the blue copper solution , then Zn is the limiting reagent Hope this helps.</span>
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If you are using 3.00% (mass/mass) hydrogen peroxide solution and you determine that the mass of solution required to reach the
Maurinko [17]

Answer:

0.004522 moles of hydrogen peroxide molecules are present.

Explanation:

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Moles of hydregn pervade in the solution :

=\fraC{ 0.15375 g}{34 g/mol}=0.004522 mol

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3 years ago
Iron that is tin-plated does not rust. Why not?
Gemiola [76]

Rust is iron oxide, the corrosion product of iron when exposed to the oxygen in the air. Tin is not iron, so you cannot produce iron oxide from the corrosion of tin. Because the layer of tin on the surface of the steel prevents atmospheric oxygen and moisture from contacting the steel.

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Does changing the number of neutrons change the identity of the element you have built ?
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If you change the number of neutrons somehow, nothing will happen because it carry's no charge at all.

Explanation:

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