# Problem: Which of the following gases diffuse more slowly than oxygen? F2, Ne, N2O, C2H2, NO, Cl2, H2S

###### FREE Expert Solution
85% (299 ratings)
###### FREE Expert Solution

We’re being asked to match the curve with the gas behavior described

Recall that Graham's Law of Effusion allows us to compare the rate of effusion of two gases. Graham's Law states that the rate of effusion of a gas is inversely proportional to its molar mass.

$\mathbf{rate}\mathbf{=}\frac{\mathbf{1}}{\sqrt{{\mathbf{MM}}_{\mathbf{gas}}}}$

Determine the molar mass of the given gases:

O2

oxygen → O
molar mass can be found in the Periodic Table
MO2 = 16.00 g/mol × 2 = 32.00 g/mol

F2

flourine → F
molar mass can be found in the Periodic Table
MF2 = 19.00 g/mol × 2 = 38.00 g/mol

Will diffuse more slowly than oxygen.

Ne

85% (299 ratings)
###### Problem Details

Which of the following gases diffuse more slowly than oxygen? F2, Ne, N2O, C2H2, NO, Cl2, H2S

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Effusion concept. You can view video lessons to learn Effusion Or if you need more Effusion practice, you can also practice Effusion practice problems .

How long does this problem take to solve?

Our expert Chemistry tutor, Shreya took 4 minutes to solve this problem. You can follow their steps in the video explanation above.

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Based on our data, we think this problem is relevant for Professor Lee's class at UMD.

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