Question

Why does the probability curve become narrower when gas particles are more massive?

• A. The gas particles can travel at higher speeds
• B. The gas particles are less likely to travel at slower speeds
• C. The gas particles are more likely to travel at higher speeds
• D. The gas particles can not travel at higher speeds
• E. There are more collisions between gas particles

Answer 1

The correct option is D The gas particles can not travel at higher speeds

(D) The gas particles can not travel at higher speed.
Due to increase in mass of the particles the gas particles can not travel at higher speeds, hence, the distribution of the kinetic energy or speed is less, hence, the curve becomes narrower.