Surface Energy & Work Done to Increase Surface Area

p {margin: 0; padding: 0;} surpace energy(U) molecules on the liquid sur- face has some extra ener- gy in compared to molecules intricence. A liquid thus ten- as to have the least surface area to have minimum ener- gy and most Stable. so the erra energy in the surface mo secules is surface energy. UXA work done to S.A in S.A increase in sur- face area W = Tx in S.A Au = Incr- case in sur- face cher- gy. DU=TxTin S.A Drop = \ surface bubble = 2 surface Bubble in liquid= if I surface film-2scrface