If P is pressure and D is density of a gas, then P and D are related as
If P is pressure and D is density of a gas, then P and D are related as
Options
(a) P ∝ D (b) P ∝ (1/D) (c) P ∝ D² (d) P […]
States of Matter Gases and Liquids
If increase in temperature and volume of an ideal gas is two times, then the initial
If increase in temperature and volume of an ideal gas is two times, then the initial pressure P changes to
Options
(a) 4P (b) 2P (c) P (d) 3P
Correct Answer:
P
Explanation: […]
At when pressure will a quantity of gas, which occupies 100 mL at a pressure of 720 mm
At when pressure will a quantity of gas, which occupies 100 mL at a pressure of 720 mm, occupy a volume of 84 mL
Options
(a) 820.20 mm (b) 784.15 mm (c) 736.18 […]
A gas mixture contains 50% He and 50% Methane by volume. What is the percent
A gas mixture contains 50% He and 50% Methane by volume. What is the percent by weight of methane in the mixture?
Options
(a) 19.97% (b) 20.05% (c) 50% (d) 80%
Correct Answer: […]
The compressibility factor of an ideal gas is
The compressibility factor of an ideal gas is
Options
(a) 1 (b) 2 (c) 4 (d) 6
Correct Answer:
1
Explanation:
Compressibility factor is defined as Z = PV / (PV) ideal = […]
Translational kinetic energy for 2 moles of gas at 27°C is
Translational kinetic energy for 2 moles of gas at 27°C is
Options
(a) 7.48 x 10³ J (b) 6.48 x 10³ J (c) 5.48 x 10³ J (d) 4.48 x 10³ J
Correct […]
If a gas expands at constant temperature , it indicates that
If a gas expands at constant temperature , it indicates that
Options
(a) kinetic energy of molecules remains the same (b) number of the molecules of gas increases (c) kinetic energy of molecules […]
The surface tension of which of the following liquid is maximum
The surface tension of which of the following liquid is maximum
Options
(a) C₂H₅OH (b) CH₃OH (c) H₂O (d) C₆H₆
Correct Answer:
H₂O
Explanation:
Hydrogen bonding in H₂O > C₂H₅OH > CH₃OH . […]
If the rate of diffusion of CH₄ is twice of that of a gas X, then what is the molecular
If the rate of diffusion of CH₄ is twice of that of a gas X, then what is the molecular mass of the gas X
Options
(a) 32 (b) 96 (c) 80 (d) […]
If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be
If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be
Options
(a) 350mL (b) 135mL (c) 540mL (d) 280mL
Correct Answer:
280mL
Explanation:
No […]