A rigid container holds a fixed number of molecules of an ideal gas initially at temperature \(T_1\). The Maxwell-Boltzmann distribution of molecular speeds at temperature \(T_1\) is shown in the graph, where \(v_0\) represents a speed significantly higher than the most probable speed. The gas is then heated to a higher temperature \(T_2\). Which of the following correctly describes the change in the distribution curve and the fraction of molecules with speeds greater than \(v

AP Physics 2

9.1 Kinetic Theory of Temperature and Pressure

IntermediateMCQGraphicalConceptual13.6k

A graph showing relative number of molecules N as a function of speed v for temperature T_1. The vertical axis is labeled N (Relative Number of Molecules) and the horizontal axis is labeled v (Speed). A smooth curve starts at the origin (0,0), rises steeply to a peak at a low speed, and then decays asymmetrically to the right, approaching zero at high speeds. A dashed vertical line is drawn at a speed v_0 located well to the right of the peak on the tail of the curve. The region under the curve to the right of v_0 is shaded lightly. No other labels, lines, text, or axes appear. — Maxwell-Boltzmann speed distribution for the gas at temperature T_1.

A rigid container holds a fixed number of molecules of an ideal gas initially at temperature \(T_1\). The Maxwell-Boltzmann distribution of molecular speeds at temperature \(T_1\) is shown in the graph, where \(v_0\) represents a speed significantly higher than the most probable speed. The gas is then heated to a higher temperature \(T_2\). Which of the following correctly describes the change in the distribution curve and the fraction of molecules with speeds greater than \(v_0\)?

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