This laboratory course is the first in the physical chemistry sequence and is designed to complement lecture. Students apply foundational laboratory skills, including safety protocols, proper use of analytical balances and volumetric glassware, data acquisition, and computational analysis, to quantitative experiments illustrating gas laws and core thermodynamic principles. Experiments include calorimetry, determination of heat capacities, and conductivity measurements and titrations. Emphasis is placed on careful measurement, error analysis, data interpretation, and clear scientific reporting. Prerequisite: Successful completion (C- or better) of CHEM 112 and lab and MATH 150. Co-requisite: CHEM 451 lecture, 3 credit hours. Fall Odd Years.