JSUC Reference Page
Constants
Physics
Speed of light: c = 2.997925E8 m/s
Electron charge: e = 1.6021E19 Cb
Electron mass: m = 9.11E31 kgr
Faraday's constant: F = 9.6487E4 Cb/mol
Plank's constant: h = 6.6256E34 J sec
Rydberg constant: R = 1.097373E7 1/m
Bohr radius: ao = 5.29167E11 m
Gravitational constant: G = 6.67E15 n m^2 / kg^2
Permitivity of free space: eo = 8.85E12 Cb^2/ Nm^2
Permeability of free space: mu o = 4*piE7 N/A^2
Chemistry & Thermodynamics
Avogadro's constant: Na = 6.02252E23 1/mol
Boltzman's constant: k = 1.380622E23 J/'K
Universal gas constant: R = 8.3143 J / 'Kmol
Earth Science
Mean distance of Earth to Sun: 1.5E14 m
Mass of the Sun: 1.99E30 kgr
Mass of the Earth: 5.97E24 kgr
Standard Atmosphere at Sea Level
Density rho = 1.225 kgr/m^3
Temperature = 288.2 'K
Pressure = 101300 Pa
Viscosity = 1.79E5 Nsec / m^2
Ideal Gas Properties
Air
Molecular mass: 28.967
Gas constant: 287 J/ kgr'K
cp = 1004 J/ kg'K (at 25'C)
gamma = 1.4 (at 25'C)
Water Vapor
Molecular mass: M = 18.015
Gas constant: R = 461.5 J/kgrK
cp = 1866 J/kgrK (at 25 'C)
gamma = 1.33 (at 25 'C)
Triple point: 273.16 'K
