Vapor Pressure Calculator from Heat of Vaporization Use the Clausius-Clapeyron equation to estimate vapor pressure at a new temperature using enthalpy of vaporization and one known pressure point. Heat of vaporization (ΔHvap) kJ/molJ/molkcal/mol Known vapor pressure (P1) kPaPabaratmmmHg Known temperature…
Vapor Pressure Calculator from Enthalpy and Entropy Estimate equilibrium vapor pressure using the thermodynamic relation derived from Gibbs free energy: P = Pref × exp(ΔS/R – ΔH/RT). Temperature (K) Enthalpy change, ΔH ΔH Unit J/molkJ/mol Entropy change, ΔS ΔS Unit…
Vapor Pressure Calculator from Enthalpy and Boiling Point Use the Clausius-Clapeyron relationship to estimate vapor pressure at a target temperature using enthalpy of vaporization and normal boiling point. Enthalpy of Vaporization (ΔHvap) kJ/molJ/mol Boiling Point (at reference pressure) °CK°F Target…
Calculate Vapor Pressure Given Delta G Use Gibbs free energy and temperature to estimate equilibrium vapor pressure with a rigorous thermodynamic relationship: P = P° × exp(-ΔG / RT). Delta G (Gibbs Free Energy Change) Delta G Unit kJ/molJ/mol Temperature…
Calculate Probability with Mean and Standard Deviation TI83 Use this premium normal distribution calculator to estimate left-tail, right-tail, and between-values probability using a mean and standard deviation, just like the TI-83 normalcdf workflow. Enter your values below to instantly compute…
Calculate Vapor Pressure From Temperature Use Antoine constants to calculate vapor pressure quickly for common liquids or custom compounds. Compound WaterEthanolAcetoneBenzeneCustom Constants Antoine A Antoine B Antoine C Temperature Temperature Unit °C°FK Pressure Unit kPammHgbaratm Calculate Vapor Pressure How to…
Vapor Pressure Calculator from Temperature and Humidity Compute saturation vapor pressure, actual vapor pressure, and vapor pressure deficit using validated atmospheric formulas. Air Temperature Temperature Unit Celsius (°C)Fahrenheit (°F)Kelvin (K) Relative Humidity (%) Surface Type for Saturation Formula Water (typical…
Vapor Pressure Calculator from Relative Humidity and Temperature Compute actual vapor pressure, saturation vapor pressure, dew point, and vapor pressure deficit using a reliable meteorological formula. Temperature Temperature Unit Celsius (°C)Fahrenheit (°F)Kelvin (K) Relative Humidity (%) Output Pressure Unit hPa…
TI-83 Probability Helper Calculate Probability with Mean and Standard Deviation TI-83 Use this interactive calculator to estimate normal-distribution probabilities from a mean and standard deviation, mirror the TI-83 normalcdf() workflow, and visualize the shaded area under the bell curve. Probability…
Vapor Pressure Calculator from Grams Evaporated Estimate partial vapor pressure in a closed volume using the ideal gas relationship: P = (m/M)RT Compound preset CustomWater (H2O)Ethanol (C2H6O)Acetone (C3H6O)Benzene (C6H6)Methanol (CH4O) Molar mass (g/mol) Grams evaporated (g) Temperature (°C) Headspace volume…