Chemical Kinetics & Rate Law Calculator

Calculate reaction rates, rate constants (k), and concentration decay for zero, first, and second-order reactions.

Remaining Conc [A] at time t
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Half-Life (t₁/₂ = ln 2 / k): 13.86 s

How to Use

  1. Enter the reaction order, initial conc [a]₀, rate constant and time.
  2. Select Concentration & Half-Life to view the remaining conc [a] at time t.