Respuesta :
By Boyle's law:
P₁V₁ = P₂V₂
70*8 = P₂*4
P₂*4 = 70*8
P₂ = 70*8/4 = 140
P₂ = 140 kiloPascals.
P₁V₁ = P₂V₂
70*8 = P₂*4
P₂*4 = 70*8
P₂ = 70*8/4 = 140
P₂ = 140 kiloPascals.