Chemical Kinetics Calculator
Calculate rate constants, half-life, and concentrations for zero, first, and second order reactions.
Reaction Kinetics
Reaction Order:
Solve For:
1 M
0.01 M10 M
M
1
0.01100
0.5 M
0.001 M1 M
M
Rate Constant (k)
6.9315e-1
Half-Life (t1/2)
1.0000
Initial Rate
0.693147 M/s
% Remaining
50.00%
% Reacted
50.00%
Rate Law:
Rate = k[A]
Integrated Rate Law:
ln[A] = ln[A]0 - kt
Half-Life Formula:
t1/2 = ln(2) / k = 0.693 / k
Reaction Order Comparison
| Property | Zero Order | First Order | Second Order |
|---|---|---|---|
| Rate Law | Rate = k | Rate = k[A] | Rate = k[A]^2 |
| Units of k | M/s | 1/s | 1/(M*s) |
| Linear Plot | [A] vs t | ln[A] vs t | 1/[A] vs t |
| Half-Life Depends On | [A]0 | Independent of [A]0 | [A]0 |