What is the cause of excess pressure inside a soap bubble?

Excess pressure inside a bubble is

Calculate the excess pressure inside a| liquid drop of radious r and surface tension T. What is the expression of I excess presure inside a soap bubble?

What is the excess pressure in a soap bubble of radius 10 mm, if surface tension is 25 Xx 10^-2 N/m?

What is the cause of friction?

What is the cause of Adsorption?

What is the cause of refraction?

Calculate the excess of pressure in a soap bubble of radius 3xx10^-3 m surface tension of the soap solution is 20xx10^-3 N/m.

What is the effect of decrease of pressure on solid carbon dioxide?

What is pressure?