Question: The semiconductor industry manufactures integrated circuits in large vacuum chambers where the pressure is 1.0 10 -10 mm of Hg. a. What fraction is

The semiconductor industry manufactures integrated circuits in large vacuum chambers where the pressure is 1.0 × 10^-10 mm of Hg.
a. What fraction is this of atmospheric pressure?
b. At T = 20°C, how many molecules are in a cylindrical chamber 40 cm in diameter and 30 cm tall?

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