kalebkemp kalebkemp
  • 23-07-2017
  • Chemistry
contestada

What is the average kinetic energy of a gas at 285 kelvin? (R = 8.314 J/K-mol)

Respuesta :

ritterrale15
ritterrale15 ritterrale15
  • 23-07-2017
the answer would be 3.55 x 10^3 j/mol
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Annainn Annainn
  • 20-07-2019

Answer:

The average KE = 312 J/mol

Explanation:

Given:

Temperature of the gas, T = 285 K

Gas constant, R = 8.314 J/K-mol

To determine:

The average kinetic energy of the gas

Explanation:

Based on the kinetic theory of gases, the average kinetic energy is given as:

[tex]KE = \frac{3}{2} RT\\[/tex]

In this case:

[tex]KE = \frac{3}{2} *8.314\ J/K-mol * 285\ K = 312 J/mol[/tex]

Answer Link

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