The velocity of molecules of a gas at temperature 120 K is v. At what temperature
The velocity of molecules of a gas at temperature 120 K is v. At what temperature will the velocity be 2v?
Options
(a) 120 K (b) 240 K (c) 480 K (d) 1120 […]
Behavior of Perfect Gas and Kinetic Theory
At absolute temperature, the kinetic energy of the molecules
At absolute temperature, the kinetic energy of the molecules
Options
(a) Becomes zero (b) Becomes maximum (c) Becomes minimum (d) Remains constant
Correct Answer:
Becomes zero
Explanation:
At absolute zero temperature, molecular motion […]
Energy of all molecules of a monoatomic gas having a volume V and pressure P is 3PV/2.
Energy of all molecules of a monoatomic gas having a volume V and pressure P is (3PV/2). The total translational kinetic energy of all molecules of a diatomic gas having the same volume and pressure […]
The molecular weight of a gas is 44. The volume occupied by 2.2 g of this gas
The molecular weight of a gas is 44. The volume occupied by 2.2 g of this gas at 0⁰C and 2 atm. Pressure will be
Options
(a) 0.56 litre (b) 1.2 litre (c) […]
In the relation n=PV/RT, n stands for
In the relation n = (PV/RT), n stands for
Options
(a) Number of molecules (b) Atomic number (c) Mass number (d) Number of moles
Correct Answer:
Number of moles
Explanation:
n = Number […]
In a vessel, the gas is at a pressure P. If the mass of all the molecules
In a vessel, the gas is at a pressure P. If the mass of all the molecules is halved and their speed is doubled, then the resultant pressure will be
Options
(a) 4 […]
The amount of heat energy required to raise the temperature of 1 g of Helium
The amount of heat energy required to raise the temperature of 1g of Helium at NTP, from T₁K to T₂K is
Options
(a) (3/2) Nₐkв (T₂ – T₁) (b) (3/4) Nₐkв (T₂ – […]
At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure
At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure is x. At 110⁰ C this ratio is:
Options
(a) x (b) (383 / […]
Two vessels separately contain two ideal gases A and B at the same temperature,
Two vessels separately contain two ideal gases A and B at the same temperature, the pressure of A being twice that of B. Under such conditions, the density of A is found to be 1.5 […]
4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas
4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas at constant volume is 5.0 JK⁻¹ mol⁻¹. If the speed of sound in this gas at NTP is […]