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9966 [12]
4 years ago
12

Q05 the "atomic number" of an atom is determined by the number of ________ it has.

Chemistry
1 answer:
Alexxx [7]4 years ago
6 0
The atomic number of an atom is determined by the number of protons it has..

It is also the whole number shown on the periodic table 
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Two moles of gas A spontaneously convert to 3 moles of gas b in a container where the temperature and pressure are held constant
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At constant temperature and pressure, If the amount of gas increases to the given value, its volume also increases to 20.85L.

<h3>What is Avogadro's law?</h3>

Avogadro's law states that "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules."

It is expressed as;

V₁/n₁ = V₂/n₂

Given the data in the question;

  • Initial amount of gas n₁ = 2moles
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  • Final amount of gas n₁ = 3moles
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V₁/n₁ = V₂/n₂

V₁n₂ = V₂n₁

V₂ = V₁n₂ / n₁

V₂ = (13.9L × 3moles) / 2moles

V₂ = 41.7molL / 2mol

V₂ = 20.85L

At constant temperature and pressure, If the amount of gas increases to the given value, its volume also increases to 20.85L.

Learn more about Avogadro's law here: brainly.com/question/15613065

#SPJ1

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