Tool 2 Post a Comment Number formats Auto Sci Fix Decimals 0 1 2 3 4 5 6 7 8 9 10 11 12 ---- auto 1000 separator Rad Deg Grad Copyright © 2008 by Eni Generalic Calc4Chem - www.periodni.com PHYSICAL CONSTANTS Absolute zero-273.15 °C Acceleration of free fall, standard9.80665 m/s2 Atomic mass unit1.6605402×10-27 kg Avogadro constant6.0221367×1023 1/mol Base of natural logarithms 2.718281828 Boltzmann constant1.380658×10-23 J/K Classical electron radius2.81794092×10-15 m Electron mass9.1093897×10-31 kg Electron-proton mass ratio5.44617013×10-4 Electronvolt1.6021892×10-19 J Elementary charge1.60217733×10-19 C Faraday constant96485.309 C/mol First radiation constant3.7417749×10-16 W m2 Molar gas constant8.314510 J/mol K Molar volume(Ideal gas, T = 273.15 K, p = 101.325 kPa)0.02241410 m3/mol Newtonian constant of gravitation6.67259×10-11 N m2/kg2 Permeability of vacuum12.566370614×10-7 N/A2 Permittivity of vacuum8.854187817×10-12 F/m PI3.1415926535897932 Planck constants6.6260755×10-34 J s Second radiation constant0.01438769 m K Solar constant1400 W/m2 Speed of light in vacuum299792458 m/s Speed of sound in air at STP340 m/s Standard pressure101325 Pa Share : Post a Comment for "Tool 2"
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