A sample of gas initially has a volume of 859 mL at 565 K and 2.20 atm.?

2020-10-19 2:02 am
What pressure will the sample have if the volume changes to 268 mL while the temp is increased to 815 K? 
A) 10.2 atm
B) 9.83 atm
C) 15.3 atm
D) 6.53 atm
E) 1.05 atm

回答 (1)

2020-10-19 3:05 am
✔ 最佳答案
Initial: P₁ = 2.20 atm, V₁ = 859 mL, T₁ = 565 K
New: P₂ = ? atm, V₂ = 268 mL, T₂ = 815 K

Combined gas law: P₁V₁/T₁ = P₂V₂/T₂
Then, P₂ = P₁ × (V₁/V₂) × (T₂/T₁)

New pressure, V₂ = 2.20 × (859/268) × (815/565) atm = 10.2 atm

The answer: A) 10.2 atm


收錄日期: 2021-04-23 23:06:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20201018180222AAjRbxN

檢視 Wayback Machine 備份