A cylinder contains air at 45.0 psi in volume of 43.9 cubic inches. How much pressure is needed to compress the air to 8.0 cubic inches?
回答 (2)
2017-04-25 3:22 pm
Initial: P₁ = 45.0 psi, V₁ = 43.9 in³
Fianl: P₂ = ? psi, V₂ = 8.0 in³
For a fixed amount of gas under constant temperature: P₁V₁ = P₂V₂
Then, P₂ = P₁ × (V₁/V₂)
Final pressure, P₂ = (45.0 psi) × (43.9/8.0) = 247 psi
Fianl: P₂ = ? psi, V₂ = 8.0 in³
For a fixed amount of gas under constant temperature: P₁V₁ = P₂V₂
Then, P₂ = P₁ × (V₁/V₂)
Final pressure, P₂ = (45.0 psi) × (43.9/8.0) = 247 psi
2017-04-25 12:26 pm
Idfk
收錄日期: 2021-05-01 14:49:34
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20170425042611AApcVkP