The limestone used in building the Egyptian pyramids was used because it is _____________
2 answers:
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Answer:
V₂ = 0.4 L
Explanation:
<u>Data:</u>
- P₁ (initial pressure) = 500 torr
- V₁ (initial volume) = 0.5 L
- P₂ (final pressure) = 700 torr
<u>Wanted:</u>
- V₂ (final volume)
<u>Equation:</u>
- P₁V₁ = P₂V₂ → V₂ = P₁V₁ / P₂
<u>Solution:</u>
- V₂ =
= 0.3571 L or 0.4 L
Answer:
<h2>117.94 moles</h2>Explanation:
To find the number of moles in a substance given it's number of entities we use the formula
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have
We have the final answer as
<h3>117.94 moles</h3>Hope this helps you