Podcast
Questions and Answers
What is the condition for a planet or satellite to have an atmosphere?
What is the condition for a planet or satellite to have an atmosphere?
- v rms = v e
- v rms is independent of v e
- v rms < v e (correct)
- v rms > v e
What is the most probable speed of gas molecules in a given sample?
What is the most probable speed of gas molecules in a given sample?
- The average speed of all molecules
- The speed of the fastest molecule
- The speed of the slowest molecule
- The speed possessed by the maximum number of molecules (correct)
At absolute zero temperature, what is the value of rms speed of molecules?
At absolute zero temperature, what is the value of rms speed of molecules?
- Minimum
- Undefined
- Zero (correct)
- Maximum
What is the relationship between the rms speed, average speed, and most probable speed of gas molecules?
What is the relationship between the rms speed, average speed, and most probable speed of gas molecules?
What is the formula to calculate the average speed of gas molecules?
What is the formula to calculate the average speed of gas molecules?
What is the effect of increasing molecular weight on the root mean square velocity of gas molecules?
What is the effect of increasing molecular weight on the root mean square velocity of gas molecules?
What is the relationship between the root mean square velocity of gas molecules and temperature?
What is the relationship between the root mean square velocity of gas molecules and temperature?
What is the relationship between the kinetic energy of gas molecules and their root mean square velocity?
What is the relationship between the kinetic energy of gas molecules and their root mean square velocity?
What is the effect of increasing pressure on the root mean square velocity of gas molecules, if the temperature remains constant?
What is the effect of increasing pressure on the root mean square velocity of gas molecules, if the temperature remains constant?
Why does the Moon have no atmosphere?
Why does the Moon have no atmosphere?
What is the effect of temperature on the root mean square velocity of molecules?
What is the effect of temperature on the root mean square velocity of molecules?
At absolute zero degree temperature, what is the state of gas molecules?
At absolute zero degree temperature, what is the state of gas molecules?
What is the relationship between the root mean square velocity of molecules and the temperature?
What is the relationship between the root mean square velocity of molecules and the temperature?
When the temperature is increased from 27°C to 127°C, what is the effect on the root mean square velocity of molecules?
When the temperature is increased from 27°C to 127°C, what is the effect on the root mean square velocity of molecules?
What is true about the root mean square velocity of different ideal gases maintained at the same temperature?
What is true about the root mean square velocity of different ideal gases maintained at the same temperature?
What is the relationship between the kinetic energy of gas molecules and their root mean square velocity?
What is the relationship between the kinetic energy of gas molecules and their root mean square velocity?
If the molecular weight of a gas is increased, what is the effect on the root mean square velocity of its molecules?
If the molecular weight of a gas is increased, what is the effect on the root mean square velocity of its molecules?
At the same temperature, what is the relationship between the number of molecules of two different gases?
At the same temperature, what is the relationship between the number of molecules of two different gases?
What is the unit of Avogadro's number?
What is the unit of Avogadro's number?
At S.T.P., what is the volume occupied by one mole of any gas?
At S.T.P., what is the volume occupied by one mole of any gas?
What is the unit of universal gas constant (R) in terms of MLB⁻²θ⁻¹?
What is the unit of universal gas constant (R) in terms of MLB⁻²θ⁻¹?
If the temperature of an ideal gas is increased, what happens to the root mean square velocity of the gas molecules?
If the temperature of an ideal gas is increased, what happens to the root mean square velocity of the gas molecules?
What is the relation between Boltzmann's constant (k) and universal gas constant (R) in terms of Avogadro number (NA)?
What is the relation between Boltzmann's constant (k) and universal gas constant (R) in terms of Avogadro number (NA)?
How does the molecular weight of an ideal gas affect its root mean square velocity at a given temperature?
How does the molecular weight of an ideal gas affect its root mean square velocity at a given temperature?
What is the unit of specific gas constant (r) in terms of MLB⁻²θ⁻¹?
What is the unit of specific gas constant (r) in terms of MLB⁻²θ⁻¹?
What is the relationship between the molar gas constant R and the Boltzmann constant k?
What is the relationship between the molar gas constant R and the Boltzmann constant k?
At standard temperature and pressure, what is the number of molecules in 1 cm³ of a gas?
At standard temperature and pressure, what is the number of molecules in 1 cm³ of a gas?
What is the formula for the average kinetic energy per molecule of a gas at temperature T?
What is the formula for the average kinetic energy per molecule of a gas at temperature T?
What is the effect of increasing the molecular weight of a gas on its root mean square velocity at constant temperature?
What is the effect of increasing the molecular weight of a gas on its root mean square velocity at constant temperature?
What is the relationship between Avogadro's number and the kinetic energy per molecule of a gas?
What is the relationship between Avogadro's number and the kinetic energy per molecule of a gas?
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