chemistry

Chemical Kinetics & Reaction Rates

The study of reaction rates and mechanisms — Arrhenius temperature dependence, reaction order determination, catalytic turnover, radical chain explosions, and dynamic chemical equilibrium governed by Le Chatelier's principle.

kineticsreaction rateArrheniusactivation energycatalysischain reactionequilibriumLe Chatelier

Chemical kinetics reveals how fast reactions proceed and why. From the exponential temperature dependence described by the Arrhenius equation to the delicate balance of forward and reverse rates at equilibrium, kinetics connects molecular collisions to macroscopic reaction behavior. Understanding rate laws, activation energies, and catalytic mechanisms is fundamental to chemistry, biochemistry, and chemical engineering.

These simulations let you explore Arrhenius activation energy plots, compare zero/first/second-order kinetics, visualize catalytic energy diagrams, model radical chain reactions and explosion limits, and observe how systems respond to perturbation through Le Chatelier's principle — all with real-time interactive parameter control.

5 interactive simulations

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Arrhenius Equation & Activation Energy

Explore how temperature and activation energy control reaction rate constants through the Arrhenius equation with interactive energy diagrams

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Catalysis Energy Diagram & Turnover

Visualize how catalysts lower activation energy, compare catalyzed vs uncatalyzed reaction profiles, and calculate turnover frequency

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Radical Chain Reactions & Explosion Limits

Model radical chain propagation, branching factors, and the transition from steady combustion to thermal explosion

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Dynamic Equilibrium & Le Chatelier's Principle

Visualize forward and reverse reaction rates reaching dynamic equilibrium, and observe Le Chatelier shifts when conditions change

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Reaction Order & Concentration Decay

Compare zero, first, and second-order kinetics side by side — concentration decay, half-life dependence, and integrated rate law plots