Chemistry, 12.12.2020 17:10 itzjames025
Two gases, helium and X, are released from one end of an evacuated long cylinder at the same time. If it takes the helium atoms 3 times faster than gas X to effuse from one end of the cylinder to the other end, what is gas X?
Answers: 3
Chemistry, 23.06.2019 02:30
Apound is approximately 0.45 kilogram. a persons weighs 87 kilograms. what is the persons’s weight, in pounds, when expressed to the correct number of significant figures
Answers: 1
Two gases, helium and X, are released from one end of an evacuated long cylinder at the same time. I...
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