Chapter 15 – Thermodynamics
The pressure p, volume V and temperature T for a certain gas are related by p=AT−BT^2/V, where A and B are constants. The work done by the gas when the temperature changes from T1 to T2 with pressure remaining constant is
12
Sep
The pressure p, volume V and temperature T for a certain gas are related by p=AT−BT^2/V, where A and B are constants. The work done by the gas when the temperature changes from T1 to T2 with pressure remaining constant is The pressure P volume V and temperature T for a certain gas are related [...]
A gas is expanded from volume V0 to 2V0 under three different processes, as shown in the figure. Process 1 is isobaric process, process 2 is isothermal and process 3 is adiabatic. Let ΔU1,ΔU2 and ΔU3 be the change in internal energy of the gas in these three processes, then
12
Sep
A gas is expanded from volume V0 to 2V0 under three different processes, as shown in the figure. Process 1 is isobaric process, process 2 is isothermal and process 3 is adiabatic. Let ΔU1,ΔU2 and ΔU3 be the change in internal energy of the gas in these three processes, then A gas is expanded from [...]
One mole of an ideal gas is taken through the cyclic process shown in the V-T diagram. Which of the following statements are correct ?
12
Sep
One mole of an ideal gas is taken through the cyclic process shown in the V-T diagram. Which of the following statements are correct ? One mole of an ideal gas is taken through the cyclic process shown in the V-T diagram. Which of the following statements are correct ? September 12, 2021 Category: Chapter [...]
A gas expands with temperature according to the relation, V=kT^2/3, where k is a constant. Work done when the temperature changes by 60K is (R= universal gas constant. )
12
Sep
A gas expands with temperature according to the relation, V=kT^2/3, where k is a constant. Work done when the temperature changes by 60K is (R= universal gas constant. ) A gas expands with temperature according to the relation V=kT^2/3 where k is a constant. Work done when the temperature changes by 60K is (R= universal [...]
An ideal gas at pressure P and volume V is expanded to volume 2V. Column I represents the thermodynamic processes used during expansion. column II represents the work during these processes in the random order.
12
Sep
An ideal gas at pressure P and volume V is expanded to volume 2V. Column I represents the thermodynamic processes used during expansion. column II represents the work during these processes in the random order. Heat is supplied to a diatomic gas at constant pressure. The ratio of Δ Q : Δ U : ΔW [...]
A monoatomic ideal gas initially at 17 C is suddenly compressed to one eighth of its original volume. The temperature after compression is:
12
Sep
A monoatomic ideal gas initially at 17 C is suddenly compressed to one eighth of its original volume. The temperature after compression is: A monoatomic ideal gas initially at 17 C is suddenly compressed to one eighth of its original volume. The temperature after compression is: September 12, 2021 Category: Chapter 15 - Thermodynamics , [...]
When an ideal gas with pressure P and volume V is compressed isothermally to one fourth of its volume, the pressure is P1. When the same gas is compressed polytropically according to the equation PV1.5= constant to one fourth of its initial volume, the pressure is P2. The ratio P1/P2 is
12
Sep
When an ideal gas with pressure P and volume V is compressed isothermally to one fourth of its volume, the pressure is P1. When the same gas is compressed polytropically according to the equation PV1.5= constant to one fourth of its initial volume, the pressure is P2. The ratio P1/P2 is the pressure is P1. [...]
400 c c volume of gas having gamma=5/2 is suddenly compressed to 100 c c. If the initial pressure is P, the the final pressure will be
12
Sep
400 c c volume of gas having gamma=5/2 is suddenly compressed to 100 c c. If the initial pressure is P, the the final pressure will be 400 c c volume of gas having gamma=5/2 is suddenly compressed to 100 c c. If the initial pressure is P the the final pressure will be September [...]
The P-V diagram of a gas undergoing a cyclic process ABCDA is shown in (figure). Where P is in unit of N/m^(2) and V is in cm^(3). Identify the incorrect statement
12
Sep
The P-V diagram of a gas undergoing a cyclic process ABCDA is shown in (figure). Where P is in unit of N/m^(2) and V is in cm^(3). Identify the incorrect statement The P-V diagram of a gas undergoing a cyclic process ABCDA is shown in (figure). Where P is in unit of N/m^(2) and V [...]
One mole of an ideal monoatomic gas at temperature T0 expands slowly according to the law P/V = constant. If the final temperature is 2T0 heat supplied the gas is
12
Sep
One mole of an ideal monoatomic gas at temperature T0 expands slowly according to the law P/V = constant. If the final temperature is 2T0 heat supplied the gas is One mole of an ideal monoatomic gas at temperature T0 expands slowly according to the law P/V = constant. If the final temperature is 2T0 [...]