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Question

At a constant pressure P, the plot of volume (V) as a function of temperature(T) for $$2$$ moles of an ideal gas gives a straight line with a slope $$0.328$$L $$K^{-1}$$. The value of P(in atm) is closest to :

[Gas constant, $$R=0.0821$$L atm $$mol^{-1}$$ $$K^{-1}$$].


A
0.25
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B
0.5
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C
1.0
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D
2.0
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Solution

The correct option is B $$0.5$$
From Ideal Gas Equation we have,

Slope of $$V$$vs $$T$$ plot = $$nR/P$$

$$2\times 0.0821/P=0.328$$

$$P=0.5atm$$

Chemistry

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