Molecular Speeds: at What Temperature Would the Root-Mean-Square Speed (Thermal

question 77

Multiple Choice

Molecular speeds: At what temperature would the root-mean-square speed (thermal speed) of oxygen molecules be 13.0 m/s? Assume that oxygen approximates an ideal gas. The mass of one O₂ molecule is 5.312 × 10^-26 kg. The Boltzmann constant is 1.38 × 10^-23 J/K.

• A) 0.217 K
• B) 1800 K
• C) 5410 K
• D) 0.0666 K

Understand the concept of brain drain and its impact on home and host countries.

Assess the elasticity of labor demand and its effect on total wage income.

Analyze the effects of immigration on worldwide production efficiency and economic efficiency.

Understand the role of remittances in the economics of immigration.

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