What you provide
What you provide
- Second-order rate constant expressed in L/(mol s), using the same scenario as the other inputs
- Initial concentration expressed in mol/L, using the same scenario as the other inputs
CHEMISTRY / KINETICS
Second Order Half-Life Calculator
Calculate half-life for a simple second-order rate law in one reactant. Inspect the chemical equation, substituted inputs, unit basis, assumptions, and result in one guided workspace.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Calculate half-life for a simple second-order rate law in one reactant. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
Calculation patht_half=1/(k[A]_0) Conversion resultt_half=1/(k[A]_0)
What you receive
What you receive
- Second-order half-life in s from the stated equation
- A symbolic formula plus substituted working with your values
- Visible assumptions, field guidance, and an authoritative learning reference
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
The process follows rate equals k[A] squared with constant rate coefficient and no competing pathway.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors