Lecture 1: Introduction to Chemistry, Numbers & Dimensional Analysis
LECTURE 1: Introduction to Chemistry, Numbers: Scientific Notation and Significant Figures
- Reading: Chp. 1: pp. 1-8, Chp. 2: pp. 11-22
- Practice Problems: End of Chapter Questions
- Helpful Resources:
- A fun video on the History and Introduction to Chemistry Links to an external site.
- ACCURACY AND PRECISION:
- An Introduction Links to an external site.
- Examples problems with Accuracy and Precision Links to an external site.
- Percent Error and Accuracy Links to an external site.
- ORDERS OF MAGNITUDE:
- The Scale of the Universe--Interactive Applet Links to an external site.
- Scales of Length: From the very small to the very large Links to an external site.
- A visual comparison of various distances Links to an external site.
- Vintage Powers of Ten Video
Links to an external site.
- SCIENTIFIC NOTATION:
- An Introduction Links to an external site.
- Practice Problems Links to an external site.
- Common Mistakes in Scientific Notation
Links to an external site.
- Multiplication and Division with Scientific Notation Links to an external site.
- Addition and Subtraction with Scientific Notation Links to an external site.
- SIGNIFICANT FIGURES:
- An Introduction to Sig Figs Links to an external site.
- Introduction 2 Links to an external site.
- Significant Figures with Counting Numbers and Measurements Links to an external site.
- Multiplication and Division with Significant Figures
Links to an external site.
- Addition and Subtraction with Significant Figures
Links to an external site.
- Practice Problems with Significant Figures Links to an external site.
- MORE Practice Problems Links to an external site.
- Significant Figures in Scientific Notation Links to an external site.
- Significant Figures and ZEROS Links to an external site.
- Which ZEROS are significant?
Links to an external site.