In a Certain Gas the Molecules Are 5

question 37

Multiple Choice

In a certain gas the molecules are 5.0 *10^-9 m apart on average, have a mean free path of 5.0 *10^-6 m, and have an average speed of 500 m/s.The rate at which a molecule has collision with other molecules is about:

• A)10 ^{- 11} s ^{- 1}
• B)10 ^{- 8} s ^{- 1}
• C)1 s ^{- 1}
• D)10⁸ s ^{- 1}
• E)10¹¹ s ^{- 1}

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