question_answer

A cylinder filled with laughing gas had a small thin orifice through which laughing gas escaped into an evacuated space at the rate of \[5.61\] moles\[h{{r}^{-1}}\]. The time (hr) it take for 9 moles of weeping gas to leak through a similar orifice if the weeping gas is confined at the same pressure? (Take \[\sqrt{3.5}=1.87\])

Answer:

3