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

question 67

Multiple Choice

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

• A) 6.9 * 10^-8m
• B) 9.3 *10 ^{- 8}m
• C) 3.3 * 10 ^-7m
• D) 1.7 *10^-6m
• E) 2.3 *10^-6m

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