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Overview

Welcome! This online textbook is a living project.
Content is being added and refined weekly as we build a complete resource for General Chemistry I & II. Thank you for visiting!

  • Overview
  • Physical vs Chemical Properties
  • Temperature Scales
  • A Guide to Exact, Counted, and Stipulated Values
  • Banker’s Rounding
  • Scaling vs. Summing
  • Robert Millikan and the Charge of Scientific Integrity
  • The Story of the Atomic Mass Unit
  • The Mole: The Story of a Number
  • A Brief History of Oxidation and Reduction
  • Standard States
  • Thermodynamic Notation
  • The Quantization of Energy

Overview

Portrait painting of Antoine Lavoisier in 18th-century dress, seated at a desk with scientific instruments

A Brief History of Oxidation and Reduction
 
A Guide to Exact, Counted, and Stipulated Values

Beyond the 5: Why Scientists Use Banker’s Rounding
 
From amu to u: The Story of the Atomic Mass Unit
 
More Than a Formula: Understanding Temperature Scales
 
More Than a Rule: The Blurry Line Between Physical and Chemical Properties
 
Scaling vs. Summing
 
Standard States: Conventions, Corrections, and Real Chemistry
 
The Mole: The Story of a Number

The Quantization of Energy

A photograph of Robert Millikan

The Weight of a Number: Robert Millikan and the Charge of Scientific Integrity
 
Thermodynamic Notation: Why Precision Matters
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