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sci.equilibrium-constant-K Calculator
Calculates equilibrium constant K from the ratio of product to reactant activities raised to stoichiometric powers, and ΔG° = −RT ln K. K for N₂ + 3H₂ ⇌ 2NH₃ at 500°C = 6×10⁻³ — the Haber process must use high pressure to overcome unfavourable equilibrium at the kinetically accessible temperature.
Inputs
Delta G Kj Mol
Capacity to do work (J or kWh). Conserved — converts between forms but total stays constant in a closed system.
T K
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).
Results
equilibrium constant K
Sample size or count used in the calculation.
log₁₀(K)
Reference formula or conversion factor shown for context.
reaction favored
Sample size or count used in the calculation.
K = exp(-ΔG°/RT)
Reference formula or conversion factor shown for context.
ΔG° range interpretation
Qualitative summary of what the computed numbers mean in practical terms.
temperature effect
The change in the property attributable to the temperature difference. Many material properties are temperature-dependent.