Twelve questions · One connected library

Understand the reaction, then try it in the lab

Choose a guide for the question in front of you. Each one connects a supported reaction, formula, bond, or visible observation to the chemistry behind it.

Open the virtual lab

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The OmniLab workspace showing selected chemicals, an equation, explanation, and safety guidance — Use a guide to prepare your question, then inspect the matching result in the virtual lab.

Browse the library

Start where your chemistry question starts

The twelve guides are grouped by the job they help you do, not by publication date.

Start with the virtual lab

See what OmniLab supports, how to choose a reaction pair, and how to read the result.

Study sodium and chlorine

Follow one reaction from reactants and electron transfer to its formula and ionic bond.

Follow a visible result

Use cloudiness, fizzing, gas bubbles, or a colored precipitate to connect an observation to its equation.