Modern vacuum pumps make it easy to attain pressures of the order of 10^-^1^3 atm in the laborat

Name: Problem 23, Chapter 18: University Physics with Modern Physics
Uploaded: 2019-07-09T04:29:36-08:00
Duration: 5 min 30 s
Channel: Shital Rijal
Description: Modern vacuum pumps make it easy to attain pressures of the order of 10^-^1^3 atm in the laboratory. Consider a volume of air and treat the air as an ideal gas. (a) At a pressure of 9.00×10^-^1^4 atm and an ordinary temperature of 300.0 K, how many molecules are present in a volume of 1.00 cm^3? (b) How many molecules would be present at the same temperature but at 1.00 atm instead?

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Shital Rijal · Accepted Answer

step 1 So in this question the question is about vacuum pump pumps the number part a of question says t

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