An unknown hydrocarbon gas effuses 1.66 times more rapidly than .
What is the molar mass of the unknown gas?
What is the likely identity of the gas?
Which of the following gases diffuses faster than oxygen?
A balloon filled with helium gas is found to take 6.00 hours to deflate to of its original volume. How long will it take for an identical balloon filled with the same volume of hydrogen gas (instead of helium) to decrease its volume by ?