Page 635 - SUBSEC October 2017_Neat

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LIST OF PHYSICAL CONSTANTS

Universal gravitational constant G = 6.67 × 10 N m kg –2
2
–11
Acceleration due to gravity g = 9.81 m s –2 DO NOT WRITE IN THIS AREA

1 Atmosphere atm = 1.00 × 10 N m –2
5
Boltzmann’s constant k = 1.38 × 10 J K –1
–23
Density of water ρ = 1.00 × 10 kg m –3
3
w
Specific heat capacity of water C = 4200 J kg K –1
–1
w
5
Specific latent heat of fusion of ice L = 3.34 × 10 J kg –1
f
Specific latent heat of vaporization of water L = 2.26 × 10 J kg –1
6
v
Avogadro’s constant N = 6.02 × 10 per mole
23
A
Molar gas constant R = 8.31 J K mol –1
–1
Stefan–Boltzmann’s constant σ = 5.67 × 10 W m K –4 DO NOT WRITE IN THIS AREA
–8
–2
Speed of light in free space (vacuum) c = 3.00 × 10 m s –1
8

Speed of sound in air c = 340 m s –1

Planck’s constant h = 6.626 × 10 J s
–34
Triple point temperature T = 273.16 K
tr

1 tonne t = 1000 kg DO NOT WRITE IN THIS AREA

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