Imagine a system composed of two different types of molecules, one relatively light and one relatively heavy. At a particular temperature, which molecule has a higher average velocity.  A. Heavier molecule  b. Lighter molecule

Chemistry: Matter and Change
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ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
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Chapter13: Gases
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Imagine a system composed of two different types of molecules, one relatively light and one relatively heavy. At a particular temperature, which molecule has a higher average velocity. 

A. Heavier molecule 

b. Lighter molecule 

c. Both have the same average velocity 

 

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In thermodynamics, the velocity of a molecule is related to its kinetic energy, which is determined by its temperature and mass. According to the Maxwell-Boltzmann distribution, the average velocity of a molecule is proportional to the square root of its absolute temperature and inversely proportional to the square root of its mass. Therefore, the velocity of a lighter molecule will be higher compared to a heavier molecule at the same temperature

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