Class Lecture Notes for CHEM051 at Los Angeles Southwest Community College

The following documents are lecture materials for Chapter 1 that will be used in class. Please download them and bring them to class.


  • Chapter 1, section 1.1 - Units of Measurements
  • Chapter 1, section 1.2 - Measured Numbers and Significant Numbers
  • Chapter 1, section 1.3 - Significant Figures in Calcualtions
  • Chapter 1, section 1.4 - Prefixes and Equalities
  • Chapter 1, section 1.5 - Writing Conversion Factors
  • Chapter 1, section 1.6 - Problem Solving
  • Chapter 1, section 1.7 - Density