Vapour pressure The vapour pressure of a substance is the pressure exerted by the vapour of that substance above a surface at a given temperature. This pres...
Vapour pressure
The vapour pressure of a substance is the pressure exerted by the vapour of that substance above a surface at a given temperature. This pressure is an indication of the force exerted by the vapour on the surface, and is an important property for understanding the behaviour of gases.
Viscosity
Viscosity is a measure of a fluid's resistance to flow. It is a non-dimensional quantity that is typically expressed in units of centipoise (cp) or poise (P). Viscosity is an important property for understanding the flow of liquids and gases in pipes, as it determines how easily they flow and how they behave in different flow regimes.
Surface tension
Surface tension is the force that acts along the surface of a liquid or gas. It is an intrinsic property of the surface that is responsible for its ability to resist the flow of fluids. Surface tension is a key factor that determines the behaviour of liquids and gases at the surface, and is an important property for understanding the interactions between molecules on the surface