Appendix A
Physical Constants Used as Conversion Factors
| Velocity of light | 2.99790×1010 cm/sec |
|---|---|
| Rydberg constant (hydrogen) | 1.09677×105 cm-1 |
| Gravitational constant | 6.670×10-8 dynes × cm˛ × g-2 |
| Faraday constant | 2.89356×1014 e.s.u. × g-equiv-1 |
| Gas constant | 8.31436×107 ergs × deg-1 × mol-1 |
Physical Constants Calculated
| Calculated | Observed | Units | |
|---|---|---|---|
| Molar gas volume | 2.2.4145×10ł | 22.4157×10ł | cmł |
| Mass of hydrogen atom | 1.67339×10-24 | 1.67339×10-24 | g |
| Mass of unit atomic weight | 1.66124×10-24 | 1.65990×10-24 | g |
| Avogadro’s number | 6.01960×1023 | 6.02544×1023 | |
| Boltzmann constant | 1.38121×10-16 | 1.38026×10-16 | ergs/deg |
| Planck constant * | 6.648×10-27 | 6.62377×10-27 | erg sec |
| Radiation constant | 5.65475×10-5 | 5.6699×10-5 | ergs/(cm˛ × deg4 × sec) |
| Electronic charge ** | 4.80690×10-10 | 4.807×10-10 | e.s.u. |
| Electron mass | 9.11126×10-28 | 9.10721×10-28 | g |
| Ratio H1 to electron mass | 1836.62 | 1837.1 | |
| Fine structure constant | 137.481 | 137.043 |
* Subject to adjustment—See text
** See text
Natural Units
| Mechanical Units | Value | |
|---|---|---|
| s | Space | 0.455884×10-5 cm |
| t | Time | 0.152068×10-15 sec |
| s/t | Velocity | 2.99790×1010 cm/sec |
| s/t2 | Acceleration | 1.97142×1021 cm/sec˛ |
| t/s | Energy | 5.00100×10-4 ergs |
| t2/s2 | Momentum | 1.66817×10-14 g-cm/sec |
| t3/s3 | Mass | 0.556446×10-24 |
| t/s2 | Force | 109.699 dynes |
| t/s4 | Pressure | 5.27830×1012 dynes/cm |
| Electrical Units | Value | |
| s | Quantity | 4.80690×10-10 e.s.u. |
| s | Capacitance | 0.513727×10-17 farads |
| s/t | Current | 1.05441×10-3 amperes |
| 1/s | Power | 3.28866×105 watts |
| t/s | Electric charge | 4.80690×10-10 e.s.u. |
| t/s2 | Electric potential | 3.11896×108 volts |
| t/s3 | Elec. field intensity | 6.84156×1013 Volts/CM |
| t/s3 | Electric flux density | 23.1290 e.s.u./cm˛ |
| t2/s3 | Resistance | 2.95801×1011 ohms |
| t2/s2 | Magnetic charge | 1.60342×10-20 e.s.u. |
| t2/s2 | Magnetic flux | 4.74294 maxwells |
| t2/s3 | magnetic potential | 1.04038×106 gilberts |
| t2/s4 | Magnetic induction | 2.28212×1011 gauss |
| t2/s4 | Mag. field intensity | 2.28212×1011 oersteds |
| Temperature Units | Value | |
| t/s | (time-space region) | 3.62074×1012 degrees C |
| t/s | (time region) | 510.16 degrees C |