Universal Gas Constant

8.3145 J K^-1 mol^-1

Boltzmann's Constant

1.381 x 10^-23 J K^-1 molecule^-1

Avogadro's Number

6.022 x 10²³ mol^-1

Stefan-Boltzmann Constant

5.6696 x 10^-8 W m^-2 K^-4

Planck's Constant

6.6262 x 10^-34 J s

Velocity of Light

2.998 x 10⁸ m s^-1

Permittivity of Vacuum

8.85 x 10^-12 C² N^-1 m^-2

Average Radius of the Earth

6.37 x 10⁶ m

Mean Gravitational Acceleration at Earth's Surface

9.81 m s^-2

Angular Velocity of Rotation of the Earth

7.292 x 10^-5 rad s^-1

Average Distance from the Center of the Sun to the Center of the Earth

1.50 x 10¹¹ m

Solar Irradiance on a Perpendicular Plane at the mean Earth-Sun Distance

1.367 x 10³ W m^-2

Average Molecular Weight of Dry Air

28.97

Gas Constant of Dry Air

287 J K^-1 kg^-2

Density of Dry Air at 0^°C and 1000mb

1.275 kg m^-3

Specific Heat of Dry Air at Constant Pressure

1004 J K^-1 kg^-1

Specific Heat of Dry Air at Constant Volume

717 J K^-1 kg^-1

Thermal Conductivity of Dry Air at 0^°C

2.40^-2 J m^-1 s^-1 K^-1

Molecular Weight of Water

18.016

Gas Constant for Water Vapor

461 J K^-1 kg^-1

Density of Liquid Water at 0^°C

1.00 x 10³ kg m^-3

Density of Ice at 0^°

0.917 x 10³ kg m^-3

Specific Heat of Water Vapor at Constant Pressure

1952 J K^-1 kg^-1

Specific Heat of Water Vapor at Constant Volume

1463 J K^-1 kg^-1

Specific Heat of Water Vapor at 0^°C

4218 J K^-1 kg^-1

Specific Heat of Ice at 0^°C

2106 J K^-1 kg^-1

Enthalpy (Latent Heat) of Vaporization of Water at 0^°C

2.50 x 10⁶ J kg^-1

Enthalpy (Latent Heat) of Vaporization of Water at 100^°C

2.25 x 10⁶ J kg^-1

Enthalpy (Latent Heat) of Fusion of Water at 0^°C

3.34 x 10⁵ J kg^-1

Enthalpy (Latent Heat) of Sublimation of Water at 0^°C

2.83 x 10⁶ J kg^-1