← Back to Physics Chapters
Kinetic Theory Of Gases Questions
30 Practice QuestionsStart Practicing Now
- [Medium]An ideal monatomic gas is held at a uniform temperature of 350 K; calculate the average translational kinetic energy associated with one mole of the g...
- [Medium]Helium and methane are allowed to escape through an identical tiny orifice under the same temperature and pressure; compare their rates of effusion....
- [Medium]Consider a diatomic gas heated to a temperature high enough that both rotational and vibrational modes are fully active; determine its molar specific ...
- [Medium]A rigid sealed cylinder holds a gas at 2.0 \times 10^5 Pa and 300 K; find the new pressure when the temperature is raised to 450 K at constant volume....
- [Medium]Within a Maxwellian speed distribution of an ideal gas at equilibrium, compute the ratio of the root-mean-square speed to the most probable speed of t...
- [Medium]A certain gas sample has a root-mean-square molecular speed v when its temperature is 300 K; at what temperature will this speed become 2v?...
- [Easy]The average translational kinetic energy of a single gas molecule depends only on absolute temperature; calculate this energy for a molecule at 300 K....
- [Medium]Two moles of an ideal diatomic gas are maintained at a temperature of 400 K; determine the total internal energy stored in the gas....
- [Medium]An ideal diatomic gas with rigid molecules undergoes no vibrational excitation at moderate temperatures; what is the ratio of its specific heats Cp/Cv...
- [Easy]Nitrogen gas of density 1.25 kg/m^3 has molecules whose root-mean-square speed is 500 m/s; calculate the pressure exerted by this gas....
- [Easy]A sealed flask contains oxygen gas in thermal equilibrium at 300 K; determine the root-mean-square speed of its molecules....
- [Medium]Hydrogen and oxygen gases are kept in separate containers at the same temperature; find the ratio of the root-mean-square speed of hydrogen to that of...
- [Easy]For one mole of any ideal gas, the difference between the molar specific heat at constant pressure and that at constant volume equals which fundamenta...
- [Easy]An ideal monatomic gas such as helium consists of molecules that behave as point masses without rotational inertia; how many degrees of freedom does e...
- [Easy]A rigid container of volume 0.0224 m^3 holds an ideal gas at 273 K and 1.0 \times 10^5 Pa; estimate the number of moles present....
- [Medium]Air molecules of effective diameter 3 \times 10^{-10} m occupy a vessel at 300 K and 1.0 \times 10^5 Pa; estimate the mean free path of a molecule....
- [Medium]Ideal gas assumptions exclude:...
- [Medium]Brownian motion evidence supports existence of:...
- [Hard]At constant temperature, pressure increase in ideal gas container implies average molecular kinetic energy:...
- [Hard]For any Maxwell gas: v_rms compared to v_avg is:...
- [Hard]As temperature increases, Maxwell distribution peak shifts to:...
- [Medium]Adiabatic index γ for diatomic (rotational active) gas is:...
- [Hard]Correct order for speeds: v_rms, v_avg, v_mp (most probable) is:...
- [Hard]Pressure of ideal gas can be written P = (1/3) ρ v_rms^2. Here ρ is:...
- [Medium]Mean free path increases if:...
- [Easy]Energy per degree of freedom is:...
- [Medium]For diatomic gas at moderate temperature (rotations active, vibrations inactive) f =:...
- [Easy]Pressure of gas arises due to:...
- [Easy]rms speed v_rms of molecules is given by:...
- [Easy]Average kinetic energy per molecule of ideal gas is:...