Van der Waals Equation Video Lessons

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Problem: Assuming that the van der Waals equation predictions are accurate, account for why the pressure of Ne is higher than that predicted for an ideal gas.

FREE Expert Solution

We are asked why the pressure of Ne is higher than that predicted for an ideal gas based on van der Waals equation.


The Van der Waals equation is shown below:

P+an2V2V-nb=nRT

P = pressure, atm
V = volume, L
n = # of moles, mol
R = gas constant = 0.08206 (Latm)/(molK)
T = temperature, K
a = polarity coefficient
= size coefficient


Let’s first isolate the pressure in the Van der Waals Equation:


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Problem Details

Assuming that the van der Waals equation predictions are accurate, account for why the pressure of Ne is higher than that predicted for an ideal gas.

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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 Van der Waals Equation concept. You can view video lessons to learn Van der Waals Equation. Or if you need more Van der Waals Equation practice, you can also practice Van der Waals Equation practice problems.

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