States of Matter: Gases and Liquids — MCQ Practice

A $2.0,\text{L}$ container of gas at $1.0,\text{atm}$ and $27^circ\text{C}$ is heated to $127^circ\text{C}$ while its volume is expanded to $4.0,\text{L}$. What is the new pressure of the gas?

Which of the following statements is INCORRECT regarding the Kinetic Molecular Theory of Gases?

At what temperature will the average speed of $CH_4$ molecules be the same as that of $O_2$ molecules at $300,\text{K}$?

Which of the following gases will have the highest rate of effusion under identical conditions of temperature and pressure?

A mixture of $2,\text{mol}$ of $H_2$ and $3,\text{mol}$ of $N_2$ exerts a total pressure of $5,\text{atm}$. What is the partial pressure of $H_2$ in the mixture?

Which of the following factors does NOT affect the vapor pressure of a liquid?

For a real gas, the compressibility factor (Z) is typically less than 1 at low pressures and moderate temperatures. This behavior is primarily due to: