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Equilibrium between liquid and vapour • Consider the molecules of a liquid A and its vapour are in random motion. If the liquid is in an open container, the molecules in the vapour phase spread. Consequently, more and more molecules enter the vapour phase from the liquid phase till the whole liquid evaporates. • When […]http://astan.lk/al_virtualclassroom/wp-content/uploads/2017/01/peq.png