1. Tardigrade
  2. Question
  3. Chemistry
  4. At the same temperature and pressure, which of the following gases will have highest kinetic energy per molecule (at. wt. of hydrogen = 1, nitrogen = 14, carbon = 12, oxygen = 16)?

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Q. At the same temperature and pressure, which of the following gases will have highest kinetic energy per molecule (at. wt. of hydrogen = 1, nitrogen = 14, carbon = 12, oxygen = 16)?

NTA AbhyasNTA Abhyas 2022

Solution:

Average kinetic energy per molecule $\left(= \frac{3}{2} k T\right)$ does not depend upon the molar mass. At a given temperature, all the gases would have equal average kinetic energy.