2.1 Units of MeasureSelf-Assessment Test2.2 Unit ConversionsSelf-Assessment Test2.3 Equations and UnitsSelf-Assessment Test2.4 Measurement Errors and Significant FiguresSelf-Assessment Test2.5 Validation of ResultsSelf-Assessment Test2.6 Mass, Moles, and DensitySelf-Assessment TestSelf-Assessment TestSelf-Assessment Test2.7 Process VariablesSelf-Assessment TestSelf-Assessment TestSelf-Assessment TestGlossaryProblems