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?
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(a) 120 K (b) 240 K (c) 480 K (d) 1120 […]
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 […]
At absolute temperature, the kinetic energy of the molecules
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(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). 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 at 0⁰C and 2 atm. Pressure will be
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(a) 0.56 litre (b) 1.2 litre (c) […]
In the relation n = (PV/RT), n stands for
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(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 is halved and their speed is doubled, then the resultant pressure will be
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(a) 4 […]
The amount of heat energy required to raise the temperature of 1g of Helium at NTP, from T₁K to T₂K is
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(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 is x. At 110⁰ C this ratio is:
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(a) x (b) (383 / […]
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 at constant volume is 5.0 JK⁻¹ mol⁻¹. If the speed of sound in this gas at NTP is […]
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