Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Fundamental Constants Avogadro's NA 6.02214×1023 number Volume Conversion Factors 8.3145 Gas constant Faraday's constant Planck's constant Boltzmann’s constant Speed of light Electron's charge h 6.62608×10-34 J·s k 1.38066×10-23 2.9979246×10 8 -31 9.10939×10 kg 0.00054858 u e 1.000 gal = 3.785×103 cm3 = = -2 3 2 3 2.83×10 m 9.46×10 cm Energy Conversion Factors 96,485 Electron's mass 10 cm 1.00 qt F c = 1.00 ft 0.08206 3 1L 3 R 3 -1.60218×10-19 C Proton's mass 1.672623×10-27 kg 1.0073 u Proton's charge 1.60218×10-19 C Neutron's mass 1.672493×10-27 kg 1.0087 u Hydrogen-1 mass 1.0078 u 1 cal = 4.184 J 1 eV = 1.62018×10-19 J 1 eV = 96.485 kJ·mol-1 1 C·V = 1J 1 kWh = 3.600×103 kJ 1 L·atm = 101.325 J Pressure Conversion Factors 1 atm = 1.01325×105 Pa 1 atm = 760 Torr 760 mm Hg 1 atm = 14.70 psi 1 bar = 105 Pa Mass Conversion Factors 2.205 lb = 1.000 kg 1.000 lb = 453.6 g 1.000 oz = 28.35 g 1.000 ton = 907.2 kg 1u = 1.6605×10-27 kg Length Conversion Factors 1.094 yd = 1.000 m 0.3937 in = 1.000 cm 0.6214 mi = 1.000 km 1Å = 10-10 m Avg. Bond Energy Gas a b He 0.034 0.0237 Ne 0.211 0.0171 Ar 1.35 0.0322 Kr 2.32 0.0398 Xe 4.19 0.0511 H2 0.244 0.0266 N2 1.39 0.0391 O2 1.36 0.0318 Cl2 6.49 0.0562 CO2 3.59 0.0427 CH4 2.25 0.0428 H-H 432 H-Br 363 H-F 565 H-Cl 427 C-H 413 C-C 347 C-N 305 C-O 358 N-H 391 N-N 160 O-H 467 O-O 146 F-F 154 Cl-Cl 239 Br-Br 193 O=O 495 C=O* 745 CO 1072 NN 941 CN 891 *C=O (CO2) = 799