Question

Which of the following gases will diffuse the fastest at a given temperature? (1 point) Cl2 F2 Ar N2

Answer 1

For this problem the answer is N2. The last option 

Answer 2

Answer:The nitrogen gas will diffuse fastest at a given temperature.

Step-by-step explanation:

Graham duhem law: 'The rate of diffusion of gas is inversely proportional to the square root of the molar mass of the gas'.

`r\propto \sqrt{\frac{1}{\text{Molar mass of the gas}}}`

So, the gas with lowest molar mass will diffuse fastest at given temperature:

Mass of chlorine gas = 70 g .mol

Mass of fluorine gas = 38 g/mol

Mass of Argon gas = 39.95 g/mol

Mass of nitrogen gas = 28 g/mol

`N_2>F_2>Ar>Cl_2`

The nitrogen gas will diffuse fastest at a given temperature.