Calculate the Average Kinetic Energy of CO₂ Molecules with a Root-Mean-Square

question 18

Multiple Choice

Calculate the average kinetic energy of CO₂ molecules with a root-mean-square speed of 629 m/s.Report your answer in kJ/mol.The mass of one CO₂ molecule is 7.31 * 10^-26 kg. (1 J = 1 kg . m²/s²; 1 mol =6.02 * 10²³)

• A)8700 kJ/mol
• B)14 kJ/mol
• C)17 kJ/mol
• D)8.7 kJ/mol
• E)28 kJ/mol

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