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  • For at a van wad l wo al's gas when <img alt="\mathrm{b= 0}" src="https://entrancecorner.oncodecogs.com/gi

For 5 mol at a van wad l wo al's gas when \mathrm{b= 0} and \mathrm{T= 300 k}, The \mathrm{pv\: vs\: \frac{1}{v}}  Plot is shown below The value at van der waal 's constant a [atm. liter 2 mol-2] is
 

Option: 1

1.4


Option: 2

4.1


Option: 3

1.5


Option: 4

3.0


Answers (1)

best_answer

\mathrm{\left(P+\frac{a}{v^{2}}\right)(v)=R T}
\mathrm{p v+\frac{a}{v}=R T}
\mathrm{P v=R T-\frac{a}{v}}
\mathrm{y=R T-a(x)}

So slope,
 \mathrm{a=\frac{41 \cdot 5-4 0 \cdot 1}{4-3}=\frac{1 \cdot 4}{1}}

Posted by

Rakesh

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