Chemistry Notes

Learn chemistry. Here you will find a collection of chemistry notes, projects, worksheets, and labs.

Catalysts and Catalysis — Learn what a catalyst is in chemistry and biology. Understand the process of catalysis and how it affects activation energy.

What Is a Catalyst? Understand Catalysis Recently updated !

This entry was posted on September 21, 2022 by Anne Helmenstine (updated on September 21, 2022)

Triple Point of Water — Get the triple point definition and table of values. Learn about the triple point of water and its temperature.

Triple Point Definition – Triple Point of Water Recently updated !

This entry was posted on September 11, 2022 by Anne Helmenstine (updated on September 17, 2022)

Limiting Reactant Definition and Example — Get the limiting reactant or limiting reagent definition and see examples show how to find the limiting reactant.

Limiting Reactant or Limiting Reagent

This entry was posted on September 3, 2022 by Anne Helmenstine (updated on September 7, 2022)

Electron Affinity — Learn about electron affinity in chemistry. See the electron affinity trend and learn about the elements with the lowest and highest values.

Electron Affinity Trend and Definition

This entry was posted on August 31, 2022 by Anne Helmenstine (updated on September 7, 2022)

How to Find Molar Mass — Learn what molar mass is in chemistry and how to find it. Get example calculations for NaCl and CO2. See how it differs from molecular mass.

Molar Mass and How to Find It

This entry was posted on August 17, 2022 by Anne Helmenstine (updated on August 19, 2022)

Dissociation Chemistry — Learn about dissociation chemistry, in the dissociation reaction definition and examples in everyday life.

Dissociation (Chemistry) – Definition and Examples

This entry was posted on August 13, 2022 by Anne Helmenstine (updated on August 19, 2022)

Moles to Grams Conversion — Learn how to do the moles to grams conversion with they step-by-step example problems. See how to convert grams to moles, too.

Moles to Grams Conversion Examples

This entry was posted on August 7, 2022 by Anne Helmenstine (updated on August 19, 2022)

Simplest Formula vs Molecular Formula — Get the simplest formula definition and examples in chemistry. The simplest formula is the same as the empirical formula.

Simplest Formula Definition and Examples

This entry was posted on August 6, 2022 by Anne Helmenstine (updated on August 12, 2022)

Tyndall Effect — Get the Tyndall effect definition and examples. Learn the difference between the Tyndall effect and Rayleigh and Mie scattering.

Tyndall Effect Definition and Examples

This entry was posted on July 30, 2022 by Anne Helmenstine (updated on August 2, 2022)