Reaction Rate

Explore chemical kinetics using the Arrhenius equation. Observe how temperature and activation energy dictate the speed of a reaction [A] 鈫?[B].

Core Formulas

k = A 路 e^{-E_a / RT}

Rate = k 路 [A]

Simulated Time100.0 s

Temperature (T)400 K

Increases kinetic energy of particles.

Activation Energy (Ea)40 kJ/mol

Energy barrier to start the reaction.

Enthalpy Change (螖H)-20 kJ/mol

Negative = Exothermic, Positive = Endothermic.

Initial Concentration [A]₀1.0 M

RATE CONSTANT (k)

0.0299 s^-1

INITIAL RATE

0.0299 M/s

HALF-LIFE (t陆)

23.2 s

Reaction coordinate diagram

First-order reaction progress over 100s