Choose the correct option related to the specific heat at constant volume -
1.
2.
3.
4. All of these
For a gas, . This gas is made up of molecules which are: [JIPMER 2001, 02]
1. Diatomic
2. Mixture of diatomic and polyatomic molecules
3. Monoatomic
4. Polyatomic
mole of monoatomic gas is mixed with mole of diatomic gas such that , then:
1.
2.
3.
4.
One mole of an ideal monatomic gas undergoes a process described by the equation constant. The heat capacity of the gas during this process is:
(1)
(2)
(3)
(4)
A monoatomic gas at a pressure p, having a volume V expands isothermally to a volume 2 V and then adiabatically to a volume 16 V. The final pressure of the gas is: (take γ=5/3)
(1) 64ρ
(2) 32ρ
(3) ρ/64
(4) 16ρ
The molar specific heats of an ideal gas at constant pressure and volume are denoted by CP and CV respectively. If γ=CP/CV and R is the universal gas constant, then CV is equal to
(1) 1+γ/1-γ
(2)R/(γ-1)
(3)(γ-1)/R
(4)γR
If and denote the specific heats (per unit mass) of an ideal gas of molecular weight M
(1)
(2)
(3)
(4)
The ratio of two specific heats of gas for argon is 1.6 and for hydrogen is 1.4. Adiabatic elasticity of argon at pressure P is E. Adiabatic elasticity of hydrogen will also be equal to E at the pressure :
(1) P
(2)
(3)
(4) 1.4P
At STP the mass of one litre of air is 1.293 gm. The value of the specific gas constant will be :
1. 0.29 J/K-gm
2. 4.2 J/K-gm
3. 8.3 J/K-gm
3. 16.5 J/K-gm