Consider the composite system shown in the figure which is held at 300 K. Assuming ideal gas behavior, calculate the total pressure if the barriers separating the compartments are removed. Assume that the volume of the barriers is negligible. (Given: R = 0.082 atm $L^{- 1} m o l^{- 1} k^{- 1}$ )

10 atm

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2 atm

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4 atm

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1 atm

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Solution

The correct option is B
2 atm

Hence, $P_{1} = 1.5 a t m, V_{1} = 2 L$

$P_{2} = 2.5 a t m, V_{2} = 4 L$

$P_{3} = 1 a t m, V_{3} = 1 L$

Now, $P_{1} V_{1} + P_{2} V_{2} + P_{3} V_{3} = P_{4} V_{4}$

Here, $V_{4}$ = Total volume = 2 + 4 + 1 = 7 L & $P_{T} = P_{4}$

Now, $2 \times 1.5 + 4 \times 2.5 + 1 \times 1 = 7 \times P_{T}$

$\Rightarrow P_{T} = 2 a t m$ .

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Similar questions

Consider the composite system, which is held at $300 K$ , shown in the following figure. Assuming ideal gas behavior, calculate the total pressure if the barriers separating the compartments are removed. Assume that the volume of the barriers is negligible. (Given : $R = 0.082 a t m L / m o l . K$ )

Q. Consider the composite system, which is held at

300 K

, shown in the following figure. Assuming ideal gas behavior, calculate the total pressure (in atm) if the barriers separating the compartments are removed. Assume that the volume of the barriers is negligible. (Given :

R = 0.082 a t m L / m o l . K

)

Consider the composite system shown in the figure which is held at 300 K. Assuming ideal gas behavior, calculate the total pressure if the barriers separating the compartments are removed. Assume that the volume of the barriers is negligible. (Given: R = 0.082 atm $L^{- 1} m o l^{- 1} k^{- 1}$ )