الكيمياء العامة/الثوابت

قالب:الكيمياء العامةTOC

الثوابت الفيزيائية / الكيميائية المفيدة

عدل
الثابت القيمة
Avogadro's Number NA = 6.022 14 × 1023 mol−1
Faraday Constant F = 96 485.33 C mol−1
Atomic Mass Constant 1 amu = 1.660 538 × 10−27 kg
Molar Gas Constant R = 8.314 4 J mol−1 K−1
Molar Gas Constant R = 0.082 057 46 L atm K−1 mol−1
Coulomb's Constant ke = 8.987 551 × 109 N m2 C−2
Speed of Light (Vacuum) c = 299 792 458 m s−1
Boltzmann Constant k = 1.380 65 × 10−23 J K−1
Charge on a Proton/Electron e = 1.602 176 × 10−19 C

These constants were obtained from The NIST Reference on Constants, Units and Uncertainty.