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yuradex [85]
2 years ago
12

What can change depending on the number of protons in an atom?​

Chemistry
2 answers:
Rudiy272 years ago
7 0

Answer:

The element of the atom.

Explanation:

The number of protons confirms what element is the atom.

zvonat [6]2 years ago
6 0

Answer:

The type of atom

Explanation:

If you add a proton to a hydrogen atom, then it is no longer hydrogen, it is lithium

Hope this helps

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Rama09 [41]
Potassium and chlorine
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3 years ago
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Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide according to the equation: 3NO2(g)+H2O(l)→2HNO3(l)+
Vera_Pavlovna [14]

Answer:

5 moles of NO₂ will remain after the reaction is complete

Explanation:

We state the reaction:

3NO₂(g) + H₂O(l) → 2HNO₃(l) + NO(g)

3 moles of nitric oxide can react with 1 mol of water. Ratio is 3:1, so we make this rule of three:

If 3 moles of nitric oxide need 1 mol of water to react

Then, 26 moles of NO₂ may need (26 .1) / 3 = 8.67 moles of H₂O

We have 7 moles of water but we need 8.67 moles, so water is the limiting reactant because we do not have enough. In conclusion, the oxide is the reagent in excess. We can verify:

1 mol of water needs 3 moles of oxide to react

Therefore, 7 moles of water  will need (7 .3)/1 = 21 moles of oxide

We have 26 moles of NO₂ and we need 21, so we still have oxide after the reaction is complete. We will have (26-21) = 5 moles of oxide that remains

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3 years ago
C3H8 + 2O2 → <br> I don’t known what this equation reacts to make
djyliett [7]
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The analysis of a compound gives the following percent composition by mass:
boyakko [2]

Answer:

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molecular formula is also the same because the value of "n" is 1

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