Chemical thermodynamics describes the physical changes of state within the limits placed by the laws of thermodynamics. Wolfram|Alpha provides thermodynamics equations and computations to determine a variety of chemical properties such as pressure, boiling point and speed of sound for many chemicals and compounds.
Compute thermodynamic properties such as entropy, heat capacity or vapor pressure of a wide variety of chemicals.
Find properties of a substance in a given phase:
Compute properties at a specified temperature:
Compute properties at a specified pressure:
Specify temperature and pressure:
Do computations with the Arrhenius equation:
Calculate heat transfer:
Predict the thermodynamic properties of chemicals using the Joback method.
Estimate thermodynamic properties using the Joback method:
Explore properties of molecules in the gas phase using the ideal gas equation of state, Graham's law and many more equations.
Compute a property of an ideal gas:
Find the properties of a Redlich–Kwong gas:
Determine the root-mean-square velocity:
Determine the molar mass by comparing gases:
The Goff–Gratch equations are a pair of thermodynamic equations that describe the relationship between temperature and the saturation vapor pressure near the surface of ice or water.