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A large cylinder of helium filled at 2000 \mathrm{~mm} of \mathrm{Hg} had a small Orifice through which helium escaped into evacuated space at the rate of 6.4 moles/ hours. How long would it take for 10 mole of \mathrm{C O} to leak through a similar orolfice if the co were confined at the same pressure?

Option: 1

2.1 hour


Option: 2

4.2 hour


Option: 3

5.6 hour


Option: 4

11.2 hour


Answers (1)

best_answer

\mathrm{\frac{\partial_{H_{l}}}{r_{C O}}=\sqrt{\frac{M_{C O}}{M_{H e}}}=\sqrt{\frac{28}{4}}=2.65}

\mathrm{\Rightarrow P_{C O}=\frac{r_{H_{e}}}{2.65}=\frac{6.4}{2.65}=2.4 \mathrm{~mol} / \mathrm{hr} }

\mathrm{\Rightarrow t=\frac{10}{2.4} \approx 4.2 \text { hour (option b) } }

Posted by

Ritika Jonwal

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