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Kc計算機

濃度に基づく平衡定数Kcを計算します。

はじめに

Kc Calculator — Calculate the concentration-based equilibrium constant Kc. Enter Product concentrations (comma-separated), Product coefficients, Reactant concentrations, Reactant coefficients to get an instant, accurate result.

計算式

Kc = [products]^(coefficients) / [reactants]^(coefficients), using molar concentrations — the same law of mass action as the general equilibrium constant.

ステップごとの説明

  1. Enter the Product concentrations (comma-separated).
  2. Enter the Product coefficients.
  3. Enter the Reactant concentrations.
  4. Enter the Reactant coefficients.
  5. Click Calculate to see your result instantly.

実例

Example: With Product concentrations (comma-separated) = 2,1, Product coefficients = 1,1, Reactant concentrations = 0.5,1, Reactant coefficients = 1,1, the Kc Calculator gives Kc: 4.

よくある質問

How is Kc different from Kp?
Kc uses molar concentrations of species (mol/L), while Kp uses partial pressures of gases (atm); they're related by Kp = Kc(RT)^Δn.
Does Kc change if I add a catalyst?
No — a catalyst speeds up how fast equilibrium is reached but does not change the equilibrium constant itself.
What inputs does the Kc Calculator need?
You'll need to provide: Product concentrations (comma-separated), Product coefficients, Reactant concentrations, Reactant coefficients. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Kc Calculator?
The Kc Calculator applies the formula exactly as calculated — Kc = [products]^(coefficients) / [reactants]^(coefficients), using molar concentrations — the same law of mass action as the general equilibrium constant. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Kc Calculator free to use?
Yes, the Kc Calculator is completely free, requires no signup, and runs instantly in your browser.

Kc計算機について

The Kc Calculator uses a real, verifiable formula — Kc = [products]^(coefficients) / [reactants]^(coefficients), using molar concentrations — the same law of mass action as the general equilibrium constant. — so results are accurate every time, not an approximation.