Physical Constant - Table of Physico-chemical Constants

Table of Physico-chemical Constants

Quantity Symbol Value (SI units) Relative Standard Uncertainty
atomic mass unit (unified atomic mass unit) 1.660 538 921(73) × 10−27 kg 4.4 × 10−8
Avogadro's number 6.022 141 29(27) × 1023 mol−1 4.4 × 10−8
Boltzmann constant 1.380 6488(13) × 10−23 J·K−1 9.1 × 10−7
Faraday constant 96 485.3365(21)C·mol−1 2.2 × 10−8
first radiation constant 3.741 771 53(17) × 10−16 W·m² 4.4 × 10−8
for spectral radiance 1.191 042 869(53) × 10−16 W·m² sr−1 4.4 × 10−8
Loschmidt constant at =273.15 K and =101.325 kPa 2.686 7805(24) × 1025 m−3 9.1 × 10−7
gas constant 8.314 4621(75) J·K−1·mol−1 9.1 × 10−7
molar Planck constant 3.990 312 7176(28) × 10−10 J·s·mol−1 7.0 × 10−10
molar volume of an ideal gas at =273.15 K and =100 kPa 2.271 0953(21) × 10−2 m³·mol−1 9.1 × 10−7
at =273.15 K and =101.325 kPa 2.241 3968(20) × 10−2 m³·mol−1 9.1 × 10−7
Sackur-Tetrode constant at =1 K and =100 kPa
−1.151 7078(23) 2.0 × 10−6
at =1 K and =101.325 kPa −1.164 8708(23) 1.9 × 10−6
second radiation constant 1.438 7770(13) × 10−2 m·K 9.1 × 10−7
Stefan–Boltzmann constant 5.670 373(21) × 10−8 W·m−2·K−4 3.6 × 10−6
Wien displacement law constant 4.965 114 231... 2.897 7721(26) × 10−3 m·K 9.1 × 10−7

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