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Questions tagged 'vacuum pumps'

1 questions

N
Nikki Wolff

Jan 15, 2025

Modern vacuum pumps make it easy to attain pressures of the order of 10^ -13 atm in the laboratory.?

At a pressure denoted as ( p ) and at an ordinary temperature of ( T = 300 \, \text{K} ), how many molecules are present in a volume ( V )? For this calculation, please use Avogadro's number (( N_A ))...