The critical pressure PC and critical temperature TC for a gas obeying van der Waal's equation are 80 atm and 87∘C. Molar mass of the gas is 130 g/mole. The compressibility factor for the above gas will be smaller than unity under the following condition :

Critical temperature is given sa;TC=87∘CTB=278×360=1215K or 942∘CHence, Z<1 at T<942∘C.

The critical pressure PC and critical temperature TC for a gas obeying van der Waal's equation are 80 atm and 87∘C. Molar mass of the gas is 130 g/mole. The compressibility factor for the above gas will be smaller than unity under the following condition :

Critical temperature is given sa;TC=87∘CTB=278×360=1215K or 942∘CHence, Z<1 at T<942∘C.

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The critical pressure $P_{C}$ and critical temperature $T_{C}$ for a gas obeying van der Waal's equation are 80 atm and $87^{\circ} C$ . Molar mass of the gas is $130 g / mole$ . The compressibility factor for the above gas will be smaller than unity under the following condition :

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1 atm and $1000^{\circ} C$

$1 atm$ and $800^{\circ} C$

1 atm and $1100^{\circ} C$

1 atm and $1200^{\circ} C$

answer is A.

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Critical temperature is given sa;

$\begin{array}{l} T_{C} = 87^{\circ} C \\ T_{B} = \frac{27}{8} \times 360 \\ = 1215 K or 942^{\circ} C \end{array}$

Hence, $Z < 1$ at $T < 942^{\circ} C$ .

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The critical pressure PC and critical temperature TC for a gas obeying van der Waal's equation are 80 atm and 87∘C. Molar mass of the gas is 130 g/mole. The compressibility factor for the above gas will be smaller than unity under the following condition :

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The critical pressure $P_{C}$ and critical temperature $T_{C}$ for a gas obeying van der Waal's equation are 80 atm and $87^{\circ} C$ . Molar mass of the gas is $130 g / mole$ . The compressibility factor for the above gas will be smaller than unity under the following condition :