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According to the Kinetic Theory, an increase in temperature causes

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According to the Kinetic Theory, an increase in temperature causes the kinetic energy of particles to

A. decrease

B. increase

C. be zero

D. remain constant




Kinetic theory of gasses postulates that when the temperature of a given volume of gas is increased, each of its molecules will acquire more heat energy to convert into kinetic energy, thereby increasing its average speed. Likewise, when the temperature of same gas is reduced, each of the gas molecules will slow down and have a reduced average kinetic energy.

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Now for the right answer to the above question:

  1. Option A is incorrect. each of the gas particles will acquire more energy to speed up their average speed or kinetic energy.
  2. Option B is correct. When temperature increases, each gas particle travels faster, which means more kinetic energy.
  3. C is incorrect. the average kinetic energy of any gas is never zero.
  4. D is not the correct answer. The average kinetic energy of gasses will never remain constant when there is a change in temperature.


You may please note these/this:

  • Temperature changes and their effects on the average speed of gas particles, are the major focus of kinetic theory of gasses.

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/ culled from 2018 JAMB-UTME Chemistry question 37 /

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