Wave length

Thermal conductivity of gases

Heat capacity of liquids

coefficient of thermal expansion

Wave length

(visible light)
Wave length nm Color
687 Red
656 Orange
589 yellow
527 green
486 Cyan
431 Blue
400 Purple

Thermal conductivity of gases

Viscosity of gases

Gaz Thermal conductivity of gases
(mW/ m*K)
Viscosity of gases(mkPa*s)
Helium (He) 141,5 18,9
Argon (Ar) 16,2 22,1
Hydrogen (H2) 168,4 8,4
Nitrogen (N2) 24,3 16,7
Oxygen (O2) 24,4 19,2
Carbon dioxide (CO2) 23,2 14,0
Air 24,1 17,2
Water (═2O) 15,8 9,0

Ďheat capacity of liquids

Heat capacity of metals

Substance Heat capacity of liquids
Heat capacity of metals
(J/g*K)
Specific heat of vaporization
(J/g)
Specific heat of fusion
(J/g)
Water 4,18 2250 -
Glycerin 2,42 - -
Mercury 0,14 284 -
Alcohol 2,42 853 -
Aluminum 0,9 - 321
Iron 0,46 - 270
Ice 2,09 - 333
Copper 0,39 - 175
Silver 0,23 - 88
Lead 0,13 - 25

Coefficient of thermal expansion

Substance Coefficient of thermal expansion of metals,
*10-6K-1
Aluminum 22,9
Copper 16,7
Brass 18,9
Steel (regular) 11
Glass 8,5
Substance Coefficient of thermal expansion of the liquids, *10-4K-1
Water 2,1
Glycerin 5,0
Kerosene 10,0
Mercury 1,8
Ethyl Alcohol 11,0