A Certain Ideal Gas Has a Temperature 300 K and a Pressure

question 39

Multiple Choice

A certain ideal gas has a temperature 300 K and a pressure 5.0 *0 10⁴ Pa.The molecules have a mean free path of 4.0 *10 ^{- 7}m.If the temperature is raised to 350 K and the pressure is reduced to 1.0 * 10⁴ Pa the mean free path is then:

• A)6.9 *10 ^{- 8} m
• B)9.3 *10 ^{- 8} m
• C)3.4 *10 ^{- 7} m
• D)1.7 *10 ^{- 6} m
• E)2.3 *10 ^{- 6} m

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