The temperature of the carbon dioxide atmosphere near the surface of venus is 475°c. calculate the average kinetic energy per mole of carbon dioxide molecules on venus. 2520 j/mol 5920 j/mol 4150 j/mol 5920 kj/mol 9330 j/mol

Question

Chemistry

Kujo

21 October, 00:57

The temperature of the carbon dioxide atmosphere near the surface of venus is 475°c. calculate the average kinetic energy per mole of carbon dioxide molecules on venus. 2520 j/mol 5920 j/mol 4150 j/mol 5920 kj/mol 9330 j/mol

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Mia Park · Answer 1

Answer: 9330 j/mol

The temperature of the gas is 475 ° Celcius which is equal to: 475 + 273 = 748 °K. The formula for kinetic energy of individual atoms would be

K = 3/2 * kB * T

If kB is 1.38 * 10^-23 J/K and 1 mol is made from 6.02*10^23 molecule, then the kinetic energy of 1 mol CO2 would be:

K = 3/2 * kB * T

K = 3/2 * 1.38 * 10^-23 * 748 * 6.02 * 10^23 = 9324 J/mol