Answer:
25 atm or 190mmHg
Explanation:
Since Temperature is constant we dont need to worry about it so.
P1V1=P2V2
Rewritten as (P1xV1)/V2 Always use liters in gas laws
I Prefer atm so ill convert to that to use in the equation.
(.5atmx.4L)/.8L =.25 atm or 190mmHg
(You can convert mmHg to atm by dividing by 760)
