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Constants

Course: CHEM 461, Fall 2008
School: Michigan
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Word Count: 152

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Physical Selected Constants Accurate updated values are listed. When doing numerical problems use only a reasonable number of significant figures (usually 3 or 4). atomic mass constant u = 1.66053873 10-27 kg Bohr magneton B = 9.27400899 10-24 J T-1 Bohr radius a0 = 0.5291772083 10-10 m Avogadro constant NA = 6.02214199 1023 mol-1 Boltzmann constant k = 1.3806503 10-23 J K-1 electric constant 0 Compton...

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Physical Selected Constants Accurate updated values are listed. When doing numerical problems use only a reasonable number of significant figures (usually 3 or 4). atomic mass constant u = 1.66053873 10-27 kg Bohr magneton B = 9.27400899 10-24 J T-1 Bohr radius a0 = 0.5291772083 10-10 m Avogadro constant NA = 6.02214199 1023 mol-1 Boltzmann constant k = 1.3806503 10-23 J K-1 electric constant 0 Compton wavelength h/me c = 2.426310215 10-12 m electron mass me = 9.10938188 10-31 kg electron volt eV = 1.602176462 10-19 J = 8.854187817 10-12 F m-1 elementary charge e = 1.602176462 10-19 C -1 137.03599976 fine-structure = constant = 7.297352533 10-3 Hartree energy Eh = 4.35974381 10-18 J = 27.2113834 eV magnetic constant 0 = 4 10-7 N A-2 molar gas constant R = 8.314472 J mol-1 K-1 Newtonian constant of gravitation G = 6.673 10-11 m3 kg-1 s-2 nuclear magneton N = 5.05078317 10-27 J T-1 Planck constant h = 6.62606876 10-34 J s proton mass mp = 1.67262158 10-27 kg h = 1.054571596 10-34 J s proton-electron mass ratio mp /me = 1836.1526675 Rydberg constant R = 10973731.568549 m-1 second radiation constant hc/k = 1.4387752 10-2 m K speed of light in vacuum c = 2.99792458 108 m-1 1
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