Miscellaneous Constants

NAME SYMBOL VALUE

Pressure, Atmospheric 1.01325 × 10⁵ N m^-2
1.01325 bar
14.7 lbf in^-2

Quantized Hall Conductance e²/h 3.87404614 × 10^-5 S

Quantized Hall Resistance R_H 25812.8056 Ω

Resistance, Quantized Hall R_H 25812.8056 Ω

Rydberg Number, Hydrogen R_H 1.0967758 × 10⁷ m^-1

Sound, Speed of (in Air at STP) v 340 m s^-1

Specific Heat Capacity of Copper c_c 385 J kg^-1 K^-1

Specific Heat Capacity of Water c_w 4200 J kg^-1 K^-1

Specific Latent Heat of Fusion of Water 3.34 × 10⁵ J kg^-1

Specific Latent Heat of Vapourisation of Water 2.26 × 10⁶ J kg^-1