Which one the following graphs represents the behaviour of an ideal gas
A
B
C
D
Medium
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B
b For ideal gas, $PV = nRT$
if $T$ is constant,
$PV =$ constant
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The equation of state of $n$ moles of a non-ideal gas can be approximated by the equation $\left(p+\frac{n^2 \alpha }{V^2}\right)(V-n b)=n R T$ where $a$ and $b$ are constant characteristics of the gas. Which of the following can represent the equation of a quasistatic adiabat for this gas (assume that, $C_V$ is the molar heat capacity at constant volume is independent of temperature)?
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