Page 615 - SUBSEC October 2017_Neat

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LIST OF PHYSICAL CONSTANTS

Universal gravitational constant G = 6.67 x 10 N m kg −2
2
–11
Acceleration due to gravity g = 9.81 m s −2

1 Atmosphere atm = 1.00 x 10 N m −2
5

Boltzmann’s constant k = 1.38 x 10 J K −1
−23
Density of water ρ = 1.00 x 10 kg m −3
3
w
−1
Specific heat capacity of water C = 4200 J kg K −1
water
6
Specific latent heat of vaporization of water L = 2.26 x 10 J kg −1
Y
Avogadro’s number N = 6.02 x 10 per mole
23
A
Molar gas constant R = 8.31 J K mol −1
−1
Stefan–Boltzmann's constant σ = 5.67 x 10 W m K −4
−2
−8
Speed of light in free space (vacuum) c = 3.0 x 10 m s
−1
8
Triple point temperature T = 273.16 K
tr
1 tonne t = 1000 kg

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