The longest hydrocarbons have very high boiling points. They leave the column as a hot liquid called bitumen. Shorter hydrocarbon molecules have weaker intermolecular forces and lower boiling ...

The water boils at a higher temperature and so the food cooks more quickly. Fractional distillation is a method for separating a liquid from a mixture of two or more liquids. For example ...

Radiochemical Studies of Water Resources in Israel, Progress Report submitted to the Ford Foundation, Isotope Department, Weizmann Institute of Science, Rehovoth, Israel, July 1955. Nir, A., Ph.D ...