The Average Mass of an Oxygen Atom Is 5

question 95

Multiple Choice

The average mass of an oxygen atom is 5.3 × 10^-26 kg.Calculate the kinetic energy of a mole of oxygen atoms,all moving at a speed of 400 m/s (1000 mph) .

• A)8.2 × 10^-21 J
• B)2600 J
• C)5200 J
• D)13,000 J

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