Enthalpy, entropy, and Gibbs free energy calculations
Calculate the degrees of freedom (F) for any thermodynamic system using Gibbs' phase rule: F = C − P + factor. Enter the…
Calculate the heat of combustion (higher heating value, HHV) of any fuel using Hc = LHV + Hv × nH₂O/nfuel. Supports 11 predefined…
Calculate the boiling point elevation of a solution using ΔT = i × Kb × m. Choose from 11 common solvents with preset ebullioscopic…
Calculate the freezing point depression of a solution using ΔTf = Kf × m × i. Choose from 11 common solvents or enter a custom…
Calculate the mixing ratio, percentages, and amounts for up to 5 substances. Supports metric (mL, L, g, kg, mol) and US customary…
Calculate entropy change (ΔS) using heat transfer (ΔS=Q/T), ideal gas expansion (ΔS=nR·ln(V₂/V₁)), pressure change, or the…
Calculate Gibbs free energy (ΔG), enthalpy (ΔH), entropy (ΔS), or temperature (T) using the delta G equation. Supports metric…
Calculate the volume and number of moles of a gas at standard temperature and pressure (STP). Supports metric and American…
Calculate vapor pressure at any temperature using the Clausius–Clapeyron equation, or find partial pressures of mixtures…
Calculate the boiling point of water, ethanol, ammonia, benzene, and other substances at any pressure using the Clausius–Clapeyron…
Calculate the boiling point of water at any altitude. Supports metric (m, °C) and imperial (ft, °F) units. Shows atmospheric…
Calculate the vapor pressure of water and ice at any temperature using 5 formulas. Supports °C, °F, and K. Results in Pa,…
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