Five Molecules Have Speeds of 2

question 14

Multiple Choice

Five molecules have speeds of 2.8, 3.2, 5.8, 7.3, and 7.4 m/s.Their root-mean-square speed is closest to:

• A)2.5 m/s
• B)5.3 m/s
• C)5.7 m/s
• D)28 m/s
• E)32 m/s

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