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Kp-beregner

Beregner den trykbaserede ligevægtskonstant Kp ud fra Kc, temperatur og Δn.

Introduktion

Kp Calculator — Calculate the pressure-based equilibrium constant Kp from Kc, temperature and Δn. Enter Kc, Temperature (K), Δn (mol gas products - reactants) to get an instant, accurate result.

Formel

Kp = Kc × (RT)^Δn, where R = 0.0821 L·atm/(mol·K), T is temperature in Kelvin, and Δn is the change in moles of gas (moles of gaseous products − moles of gaseous reactants).

Trin for trin

  1. Enter the Kc.
  2. Enter the Temperature (K).
  3. Enter the Δn (mol gas products - reactants).
  4. Click Calculate to see your result instantly.

Eksempel fra virkeligheden

Example: With Kc = 4, Temperature (K) = 300, Δn (mol gas products - reactants) = 1, the Kp Calculator gives Kp: 98.4688, Kc: 4, Delta N: 1.

Ofte Stillede Spørgsmål

What is Δn in this formula?
The difference between the total moles of gaseous products and the total moles of gaseous reactants in the balanced equation — only gas-phase species count.
When are Kp and Kc equal?
When Δn = 0 (equal moles of gas on both sides), since (RT)^0 = 1 makes Kp = Kc.
What inputs does the Kp Calculator need?
You'll need to provide: Kc, Temperature (K), Δn (mol gas products - reactants). 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 Kp Calculator?
The Kp Calculator applies the formula exactly as calculated — Kp = Kc × (RT)^Δn, where R = 0.0821 L·atm/(mol·K), T is temperature in Kelvin, and Δn is the change in moles of gas (moles of gaseous products − moles of gaseous reactants). — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Kp Calculator free to use?
Yes, the Kp Calculator is completely free, requires no signup, and runs instantly in your browser.

Om Kp-beregner

The Kp Calculator uses a real, verifiable formula — Kp = Kc × (RT)^Δn, where R = 0.0821 L·atm/(mol·K), T is temperature in Kelvin, and Δn is the change in moles of gas (moles of gaseous products − moles of gaseous reactants). — so results are accurate every time, not an approximation.