Chapter 1 Lecture
Fundamentals of General,
Organic, and Biological
Chemistry
8th Edition
McMurry, Ballantine, Hoeger, Peterson
Chapter One
Measurements and Units
Christina A. Johnson
University of California, San Diego
© 2017 Pearson Education, Inc.
,Outline
1. Physical Quantities: Units and Scientific Notation
2. Measuring Mass, Length, and Volume
3. Measurement and Significant Figures
4. Rounding Off Numbers
5. Problem Solving: Unit Conversions and Estimating
Answers
6. Temperature Units
7. Density and Specific Gravity
,Units and Scientific Notation
• Mass, volume, temperature, density, and other
physical properties are called physical quantities
and are described by both a number and a unit:
•Physical quantity: A physical property that can be
measured
•Unit: A defined quantity used as a standard of
measurement
, Units and Scientific Notation
Scientists have agreed on the Système International
d’Unites (International System of Units), abbreviated SI.
Fundamentals of General,
Organic, and Biological
Chemistry
8th Edition
McMurry, Ballantine, Hoeger, Peterson
Chapter One
Measurements and Units
Christina A. Johnson
University of California, San Diego
© 2017 Pearson Education, Inc.
,Outline
1. Physical Quantities: Units and Scientific Notation
2. Measuring Mass, Length, and Volume
3. Measurement and Significant Figures
4. Rounding Off Numbers
5. Problem Solving: Unit Conversions and Estimating
Answers
6. Temperature Units
7. Density and Specific Gravity
,Units and Scientific Notation
• Mass, volume, temperature, density, and other
physical properties are called physical quantities
and are described by both a number and a unit:
•Physical quantity: A physical property that can be
measured
•Unit: A defined quantity used as a standard of
measurement
, Units and Scientific Notation
Scientists have agreed on the Système International
d’Unites (International System of Units), abbreviated SI.
