Based on the Van Der Waals Equation of State $\left(P+a \frac{n^{2}}{V^{2}}\right)(V-n b)=n R T$

question 2

Multiple Choice

Based on the van der Waals equation of state $\left(P+a \frac{n^{2}}{V^{2}}\right) (V-n b) =n R T$ Which of the following molecules - hydrogen chloride, nitrogen dioxide, or sulfur dioxide - should behave most like an ideal gas.

$\begin{array}{|l|l|l|}\hline&\text { van der } \text {Waals }\\&\text { constants }\\\hline\\\hline&a&b \\\hline&\left(\operatorname{atm~L} ^{-2}\cdot \mathrm{mol}^{-2}\right) & \left(\mathrm{L}.\mathrm{mol}^{-1}\right) \\\hline\\\hline \mathrm{HCl} & 3.667 & 0.04081 \\\hline \mathrm{NO}_{2} & 5.284 & 0.04424 \\\hline\mathrm{SO}_{2} & 5.714 & 0.05636 \\\hline & & \\\hline\end{array}$

• A) HCl
• B) NO₂
• C) SO₂
• D) Must know n to answer this question
• E) Must know P and V to answer this question

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