Uma massa gasosa de um gas ocupa um volumede 30litros a 18 graus centigrados e pressa de 10 elevado a 5 pa. qual é a pressã do gas a 150 graus centígrados quando o volume de 20 litros

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90