What Is the Average Speed of Oxygen Molecules at 154

question 15

Multiple Choice

What is the average speed of oxygen molecules at 154 K? Oxygen is assumed to approximate an ideal gas.The mass of one O₂ molecule is 5.312 × 10^-26 kg.

• A)346 m/s
• B)2.19 m/s
• C)8.15 × 10¹¹ m/s
• D)6.33 m/s

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