Page 778 - Carrahers_Polymer_Chemistry,_Eighth_Edition

Mathematical Values and Units 741

TABLE F.3
Physical Constants
Symbol SI cgs
2
Acceleration (due to gravity at earth’s g 9.7805 m/s 2 9.7805 × 10 cm/s 2
surface at Equator)
23
Avogadro’s constant N a 6.02252 × 10 1/mol 6.02252 × 10 1/mol
23
−23
–16
Boltzmann’s constant k 1.3806 × 10 J/K 1.3806 × 10 erg/K
Electron charge 1.602 × 10 C 1.602 × 10 emu
−19
−20
4
3
Faraday’s constant F 9.6487 × 10 1/mol 9.6487 × 10 emu/mol
Gas constant R 8.314 J/mol K 1.987 cal/mol K
2
2
−11
−8
Gradational constant G 6.67 × 10 N m /kg 2 6.67 × 10 dyne cm /g 2
2
−12
Permittivity of a vacuum go 8.84 × 10 F/m 2 1.0 dyne cm /statcoul −2
−6
Permeability of a vacuum µ 1.25 × 10 H/m
Planck’s constant h 6.626 × 10 J s 6.626 × 10 erg s
−34
−27
8
10
Velocity of light in a vacuum c 2.9979 × 10 m/s 2.9979 × 10 cm/s

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