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1 amu = ? kg
1.660539 x 10^-27 kg
1 g = ? amu
6.022142 x 10 ^23 amu
Avogadro's number
Na = 6.022142 x 10^23/mol
Electron charge
e = 1.602176 x 10 ^-19 C
Mass of electron
me = 5.485799 x 10^-4 = 9.109382 x 10^-31
Mass of neutron
mn = 1.008665 amu = 1.674927 x 10^-27
Mass of proton
mp = 1.007276 amu = 1.672622 x 10^-27  
1 m = ? in
39.37 in
1 in = ? cm
2.54 cm
1 mi = ? ft = ? km
5280 ft = 1.609 km
1 angstrom = ? m
10^-10 m
1 L = 1000 mL = ? qt
1.057 qt
1 gal = ? qt = ? pt
4 qt = 8 pt
1 gal = ? fl oz = ? L
128 fl oz = 3.785 L
1 kg = ? lb
2.205 lb
1 lb = ? oz = ? g
16 oz = 453.6 g
1 metric ton = ? kg
1000 kg
1 cal = ? J
4.184 J
Kelvin formula
K = C + 273
Volume of a sphere
4/3(pi*r3)
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