CHEM 141. Physical Chemistry Laboratory. Selected exercises in the practice of physio-chemical laboratory methods. Lecture one hour, laboratory six hours. Prerequisite: ENGL 20 or an equivalent second semester composition course; CHEM 140A, CHEM 140B or CHEM 142, instructor permission; CHEM 140B may be taken concurrently. Graded: Graded Student. Units: 3.0