Answer:
New Pressure in 1 Liter container = 9.5 psi = 0.646 atm
Step-by-step explanation:
P₁ = 19 psi
V₁ = 500 ml = 0.500 Liter
P₂ = ?
V₂ = 1.00 L
Boyle's Law => P₁V₁ = P₂V₂
=> P₂ = P₂V₂/V₁ = (19psi)(0.500L)/(1.000L) = 9.5 psi x (0.068 atm/psi) = 0.646 atm