The volume occupied by 4-75 g of acetylene gas at 50- C and 740 mm Hg pressure is L-Rounded off to the nearest integer-Given R-0-0826 L atm K-1 mol-1

Molar mass of acetylene = 26 g mol^ 1 nbsp; No. of moles, n= 4.7526 mol nbsp;P=740760 atm T=323 K From ideal gas law, PV=nRT V=4.75 × 0.0826 × 323× 76026× 74 ...

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Standard XII

Physics

Real Gas Equation

The volume oc...

Question

The volume occupied by $4.75 g$ of acetylene gas at $50^{\circ} C$ and $740 m m H g$ pressure is ____L.
(Rounded off to the nearest integer)]
[Given $R = 0.0826 L a t m K^{- 1} m o l^{- 1}$

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Solution

Molar mass of acetylene = $26 g m o l^{- 1}$
$No. of moles, n = \frac{4.75}{26} m o l$
$P = \frac{740}{760} a t m$
$T = 323 K$
From ideal gas law,
$P V = n R T$

$V = \frac{4.75 \times 0.0826 \times 323 \times 760}{26 \times 740} = 5.00 L$

Hence, volume occupied by the gas is 5 L.

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The volume occupied by 4.75 g of acetylene gas at 50∘ C and 740 mm Hg pressure is ____L. (Rounded off to the nearest integer)] [Given R=0.0826 L atm K−1 mol−1

Molar mass of acetylene = 26 g mol−1 No. of moles, n=4.7526mol P=740760 atm T=323 K From ideal gas law, PV=nRT V=4.75×0.0826×323×76026×740=5.00 L Hence, volume occupied by the gas is 5 L.

The volume occupied by $4.75 g$ of acetylene gas at $50^{\circ} C$ and $740 m m H g$ pressure is ____L.
(Rounded off to the nearest integer)]
[Given $R = 0.0826 L a t m K^{- 1} m o l^{- 1}$

Molar mass of acetylene = $26 g m o l^{- 1}$
$No. of moles, n = \frac{4.75}{26} m o l$
$P = \frac{740}{760} a t m$
$T = 323 K$
From ideal gas law,
$P V = n R T$

$V = \frac{4.75 \times 0.0826 \times 323 \times 760}{26 \times 740} = 5.00 L$

Hence, volume occupied by the gas is 5 L.