A quantity of 11 g dry ice is taken in an open bottle of one litre capacity and the bottle is then closed properly. If temperature of bottle is maintained at 27°C for long time, in which all the CO₂ i

Question

A quantity of 11 g dry ice is taken in an open bottle of one litre capacity and the bottle is then closed properly. If temperature of bottle is maintained at 27°C for long time, in which all the CO₂ is sublimed, the pressure in bottle is (Ambient condition is 1 atm and 27°C)

TestHub · Accepted Answer

n(CO₂) = 11/44 = 0.25 mol, giving P CO ₂ = (0.25 × 0.0821 × 300)/1 = 6.16 atm. The bottle already held air at 1 atm, so Pₜₒₜₐₗ = 6.16 + 1 = 7.16 atm. Matches (b).

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