Problem: Find the ratio of effusion rates of hydrogen gas and krypton gas.

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FREE Expert Solution

We’re being asked to calculate the ratio of effusion rates of hydrogen gas (H2) and krypton gas (Kr).


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.



This means that when comparing two gases:



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Problem Details

Find the ratio of effusion rates of hydrogen gas and krypton gas.

Frequently Asked Questions

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.

What is the difficulty of this problem?

Our tutors rated the difficulty ofFind the ratio of effusion rates of hydrogen gas and krypton...as medium difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Dasha took 1 minute and 46 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

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