Question

The semiconductor industry manufactures integrated circuits in large vacuum chambers where the pressure is 1.0×10−10mm of...

The semiconductor industry manufactures integrated circuits in large vacuum chambers where the pressure is 1.0×10−10mm of Hg.

Part A

What fraction is this of atmospheric pressure?

Part B

At T = 20 ∘C, how many molecules are in a cylindrical chamber 30 cm in diameter and 40 cm tall?

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