The half-liter bottle is inflated with air at 3 bar at 20 ° C.
(a) At what temperature will the pressure in the bottle be 4 bar?
(b) Do we need more or less heat if the same air was in the balloon instead of in the bottle?
(c) What mass of air should be added to keep the pressure in the bottle at 4 bar at the initial temperature, without heating?

Answer rating: 100% (QA)

a As we fill air into a bottle the walls remain fixed so volume is constant That means we can use Ga... View the full answer