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A sample of gas has an initial volume of 34.3 L at a pressure of 1.5 atm.?
If the sample is compressed to a volume of 13.5 L and maintained at a constant temperature, what will its atm pressure be?
2 Answers
- MyAnswerIsLv 51 decade agoFavorite Answer
Assuming no gas is lost to this process,
from one state to the next,
there exists two states 1,2, such that:
(P1 x V1) / T1 = (P2 x V2) / T2
Given temp. is constant, T1 = T2,
they cancel from the equation
==> (P1 x V1) = (P2 x V2)
Solving for P2:
P2 = (P1 x V1) / V2
Substituting given values:
P2 = (1.5 atm x 34.3 L) / 13.5 L
= 3.81 atm
(at 3 sig. figs.)
Source(s): self