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 | |
Read more about this topic: Physical Constant
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