
PChemLabTXT | page 602 | https://thedailydialectics.com/pdfs/education/chemistry/p-chem/PChemLabTXT/PChemLabTXT.pdf
ic Confirming Pages Pumps 591 contains the gas being pumped as a minority component; the very slight pressure differ- ence against which the pump must operate (normally less than 10~! Torr) is overcome by the momentum possessed by the vapor as it emerges from the jet nozzle. The gas being pumped is…