a)A sample of gold (ρ = 19.32 g/cm³), with a mass of 21.20 g, is
drawn out into a cylindrical fiber of radius 7.800 µm, what is the
length of the fiber?
b)An unknown material has a density of 6.27 g/cm3, and a single
atom has a mass of 7.38 u. If the atoms are spherical and tightly
packed, what is the distance between the centers of adjacent atoms?
(1 u = 1.661 × 10–27 kg)
a)A sample of gold (ρ = 19.32 g/cm³), with a mass of 21.20 g, is drawn out into a cylindrical fiber of radius 7.800 µm,
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a)A sample of gold (ρ = 19.32 g/cm³), with a mass of 21.20 g, is drawn out into a cylindrical fiber of radius 7.800 µm,
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