Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
At what temperature, the kinetic energy of a gas molecule is half of the value at C?
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Answer: (b)
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Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
At what temperature, the kinetic energy of a gas molecule is half of the value at C?
Answer: (b)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
At temperature, the mean kinetic energy of the atoms of an ideal gas is . If the temperature is increased by then the mean kinetic energy of the atoms will be
Answer: (c)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The kinetic energy of an ideal gas is at C. When the temperature is increased to C, then kinetic energy will be
Answer: (c)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The translational kinetic energy of the molecules of a gas at absolute temperature (T) can be doubled by
Answer: (d)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
The average force applied on the walls of a closed container depends on temperature (T) as (T is the temperature of an ideal gas)
Answer: (c)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
Energy of a gas/litre is joule, then what will be its pressure?
Answer: (a)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The average translational kinetic energy of a molecule in a gas is . The kinetic energy of the electron (e) accelerated from rest through potential difference 'V' volt is . The temperature at which possible is (N = number of molecules, R = gas constant)
Answer: (b)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The initial average kinetic energy of the molecules was E, when a gas sample is at . When the gas is heated to , then the final average kinetic energy will be
Answer: (b)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The mean kinetic energy of the molecules of an ideal gas at is ' E '. The temperature at which the mean kinetic energy of its molecules will be ' ', is
Answer: (d)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
Two gases A and B are at absolute temperatures 350 K and 420 K respectively. The ratio of average kinetic energy of the molecules of gas to that of gas A is
Answer: (a)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
The average force applied on the walls of a closed container depends as where T is the temperature of an ideal gas. The value of is
Answer: (a)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The kinetic energy of translation of the molecules in 50 g of CO gas at 17°C is:
Answer: (d)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The temperature of a gas is and the average translational kinetic energy of its molecules is . The temperature at which the average translational kinetic energy of the molecules of the same gas becomes is:
Answer: (d)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The average kinetic energy of a monatomic molecule is at temperature: (Use )
Answer: (b)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
In an ideal gas at temperature , the average force that a molecule applies on the walls of a closed container depends on as . The value of is
Answer: (d)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
What is the pressure of hydrogen in a cylinder of volume 10 litre if its total energy of translation is ?
Answer: (a)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
The average force applied on the wall of a closed container depends as where T is the temperature of an ideal gas. The value of is
Answer: (b)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The average translational kinetic energy of nitrogen (molar mass 28) molecules at a particular temperature is 0.042 eV. The translational kinetic energy of oxygen molecules (molar mass 32) in eV at double the temperature is
Answer: (d)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The total kinetic energy of 1 mole of oxygen at is: [Use universal gas constant mole K]
Answer: (a)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
A flask contains Hydrogen and Argon in the ratio by mass. The temperature of the mixture is . The ratio of average kinetic energy per molecule of the two gases ( argon/K hydrogen) is: (Given: Atomic Weight of )
Answer: (d)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The temperature at which the kinetic energy of oxygen molecules becomes double than its value at is
Answer: (c)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The average kinetic energy of a molecule of the gas is
Answer: (c)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
A flask contains hydrogen and oxygen in the ratio of by mass at temperature . The ratio of average kinetic energy per molecule of hydrogen and oxygen respectively is:
Answer: (a)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
A gas at pressure is contained in a vessel. If the masses of all the molecules are halved and their velocities are doubled, then the resulting pressure would be equal to
Answer: (b)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
The average force applied on the walls of a closed container depends on where is the temperature of an ideal gas. The value of '' is
Answer: (d)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
An ideal gas in a container of volume 500 c.c. is at a pressure of . The average kinetic energy of each molecule is . The number of gas molecules in the container is
Answer: (d)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
A flask contains argon and oxygen in the ratio of 3: 2 in mass and the mixture is kept at 27C. The ratio of their average kinetic energy per molecule respectively will be:
Answer: (d)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
On the basis of kinetic theory of gases, the gas exerts pressure because its molecules:
Answer: (c)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The translational kinetic energy of the molecules of a gas at absolute temperature (T) can be doubled
Answer: (b)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
If '' is the kinetic energy per mole of an ideal gas and '' is the absolute temperature, then the universal gas constant is given as
Answer: (b)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
Match Column - I and Column - II and choose the correct match from the given choices.
| Column - I | Column - II | ||
| (A) | Root mean square speed of gas molecules | (P) | |
| (B) | Pressure exerted by ideal gas | (Q) | |
| (C) | Average kinetic energy of a molecule | (R) | |
| (D) | Total internal energy of 1 mole of a diatomic gas | (S) |
Answer: (d)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
At what temperature does the average translational kinetic energy of a molecule in a gas becomes equal to kinetic energy of an electron accelerated from rest through potential difference of 'V' volt? ( number of molecules, gas constant, electronic charge)
Answer: (a)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The number of molecules in one litre of an ideal gas at 300 K and 2 atmospheric pressure with mean kinetic energy 2 109 J per molecules is:
Answer: (c)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
The average translational kinetic energy of N2 gas molecules at .............C becomes equal to the K.E. of an electron accelerated from rest through a potential difference of 0.1 volt. (Given kB = 1.38 1023 J/K) (Fill the nearest integer).
Numerical answer type. Work it out, then open the answer.
Answer: 500
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
Number of molecules in a volume of 4 cm3 of a perfect monoatomic gas at some temperature T and at a pressure of 2 cm of mercury is close to?
(Given, mean kinetic energy of a molecule
(at T) is 4 10–14 erg, g = 980 cm/s2, density of
mercury = 13.6 g/cm3)
Answer: (d)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
In an ideal gas at temperature T, the average force that a molecule applies on the walls of a closed container depends on T as Tq. A good estimate for q is:
Answer: (b)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
A gas molecule of mass M at the surface of the Earth has kinetic energy equivalent to 0oC. If it were to go up straight without colliding with any other molecules, how high it would rise? Assume that the height attained is much less than radius of the earth. (kB is Boltzmann constant)
Answer: (d)
Pressure & Kinetic Energy of a Gas · Kinetic energy & temperature
At 0 K which of the following properties of a gas will be zero?
Answer: (c)
Pressure & Kinetic Energy of a Gas · Assumptions & pressure of a gas
According to kinetic theory of gases, at absolute zero of temperature
Answer: (c)
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