Summary For Reaction Orders 0, 1, 2, and n
Elementary reaction steps with order 3 (called ternary reactions) are rare and unlikely to occur. However, overall reactions composed of several elementary steps can, of course, be of any (including non-integer) order.
| Zero-Order | First-Order | Second-Order | nth-Order | |
|---|---|---|---|---|
| Rate Law | ||||
| Integrated Rate Law | ||||
| Units of Rate Constant (k) | ||||
| Linear Plot to determine k | ||||
| Half-life |
Where M stands for concentration in molarity (mol · L−1), t for time, and k for the reaction rate constant. The half-life of a first-order reaction is often expressed as t1/2 = 0.693/k (as ln2 = 0.693).
Read more about this topic: Rate Equation
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