For a certain gas obeying van der Waal's equation, the critical temperature is 305.5 K and the criti — States of Matter and Gaseous State Chemistry Question
Question
For a certain gas obeying van der Waal's equation, the critical temperature is 305.5 K and the critical pressure is 48.2 atm. The critical volume is
Answer: B
💡 Solution & Explanation
Using critical volume relation: P_c*V_c / (R*T_c) = 3/8 => V_c = (3/8) * R * T_c / P_c = 0.375 * 0.0821 * 305.5 / 48.2 = 0.195 l .
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