Chemistry
Acid-Base Solutions
Compare strong and weak acids and bases in solution.
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Balancing Chemical Equations
Balance chemical equations by adjusting coefficients.
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Simulation by PhET Interactive Simulations, University of Colorado Boulder. LearnHive curates the catalog and supporting study material.
Quick start
- Choose an unbalanced equation from Introduction.
- Click the up/down arrows to change coefficients until both sides match.
- Watch the molecule counts and bar charts confirm the balance.
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Math
Area Builder
Build shapes to explore area and perimeter.
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Area Model Algebra
Multiply polynomials using an area model.
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