4. States of Matter
Kinetic Molecular Theory — Quiz
Test your understanding of kinetic molecular theory with 5 practice questions.
Practice Questions
Question 1
What is the root mean square (rms) speed of oxygen (O₂) molecules at 300 K according to the Kinetic Molecular Theory?
Question 2
A sample of helium gas (He) at 400 K has a pressure of 2.0 atm in a 5.0 L container. If the volume is increased to 10.0 L while the temperature remains constant, what will the new pressure be according to the Kinetic Molecular Theory?
Question 3
Two gases, nitrogen (N₂) and hydrogen (H₂), are at the same temperature. According to the Kinetic Molecular Theory, which gas has the greater average molecular speed?
Question 4
Which of the following best describes how the kinetic energy of gas particles changes with temperature according to the Kinetic Molecular Theory?
Question 5
A gas sample at 300 K has an average kinetic energy of $6.21 \times 10^{-21} \, \text{J}$ per molecule. If the temperature is increased to 600 K, what will be the average kinetic energy per molecule according to the Kinetic Molecular Theory?