The Mean Free Path of an Oxygen Molecule Is 2

question 14

Multiple Choice

The mean free path of an oxygen molecule is 2.0 × 10^-5 m,when the gas is at a pressure of 120 Pa and a temperature of 275 K.The atomic mass of oxygen is 16.0 g/mol,the Boltzmann constant is ,Avogadro's number is molecules/mole,and the ideal gas constant is .The radius of an oxygen molecule is closest to

• A) 0.22 nm.
• B) 0.24 nm.
• C) 0.26 nm.
• D) 0.28 nm.
• E) 0.30 nm.

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Definitions:

Coefficient of Determination

This indicates the proportion of the variation in the dependent variable that can be explained by the independent variable(s) in a regression model, quantifying the predictive power of the model.

Units

Basic quantities or measurements used to express and compare physical quantities.

Sample Size

Refers to the number of observations or data points collected in a study or used in statistical analysis.

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