The Mean Free Path of an Oxygen Molecule Is 2

question 8

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 1.38 × 10^-23 J/K,Avogadro's number is 6.02 × 10²³ molecules/mole,and the ideal gas constant is J/mol ∙ K = 0.0821 L ∙ atm/mol ∙ K.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:

OB Mod

A management approach focusing on changing employees' behaviors through a system of rewards and punishments known as organizational behavior modification.

Reinforcement

In organizational behavior, the use of consequences to modify the occurrence and form of behavior through rewards or punishments.

Operant Conditioning

A learning process through which the strength of a behavior is modified by reinforcement or punishment.

Law of Effect

A psychological principle suggesting that behaviors followed by positive outcomes are likely to be repeated, whereas behaviors followed by negative outcomes are less likely to be repeated.