Question

what will the be the minimum pressure required to compress 500 dm³ of air at 1 bar to 200dm³ at 30°c ?​

Answer 1

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Answer 2

Answer:

P₁ = 1 

P₂ = ?

V₁= 500 dm³

V₂= 200 dm³

Apply boyle's law  p₁V₁=p₂V₂ to calculate p₂ as temperature remains constant.

p₂ = p₁V₁/ V₂ = 1 bar × 500 dm³/ 200 dm³ = 2.5 bar

2.5 is the required answer ! 

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