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  • The volume occupied by of water vapour at <img alt="\mathrm{300^{\circ} \mathrm{C}}" src="h

The volume occupied by g \mathrm{~g} of water vapour at \mathrm{300^{\circ} \mathrm{C}} and 1 bar pressure will be
[\mathrm{\text { use } R=.083 \text { bar } Lk^{-1} \mathrm{~mol}^{-1} \text { }}]

Option: 1

5.37


Option: 2

5.35


Option: 3

5.23


Option: 4

5.20


Answers (1)

best_answer

Acc to ideal gas equation \mathrm{P_{V}=n R T}
\mathrm{v=\frac{n R T}{P}=\frac{w}{M \cdot w t} \times \frac{R T}{P}-(i)}

\mathrm{Given w=2 g, T=300^{\circ} \mathrm{C}=300+273=573 \, k}
\mathrm{ P=1 \, bar, R=.082 \, bar \, \mathrm{Lk}^{-1} \mathrm{~mol}^{-1}}

on substituting tho value in eq (i) we get

\mathrm{ v =\frac{2}{18} \times \frac{083 \times 573}{1} }
\mathrm{=5.23L }

Posted by

Devendra Khairwa

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