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Ideal Gas Equation

What is the d...

Question

What is the density of helium at $500^{o} C$ and $100 m m$ pressure?

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Solution

$Ideal Gas Equation \Rightarrow P = \frac{d R T}{M} \Rightarrow d = \frac{P M}{R T} = \frac{(\frac{100}{760}) (4)}{(0.0821) (773)} = 8.293 g / c c$

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