Chapter 21 – Laws of Thermodynamics
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The change in the entropy of a 1 mole of ideal gas which went through an isothermal process from an initial state (P1,V1,T) to the final state (P2,V2,T) is equal to
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Sep
The change in the entropy of a 1 mole of ideal gas which went through an isothermal process from an initial state (P1,V1,T) to the final state (P2,V2,T) is equal to 'T' is equal to T) to the final state (P2 The change in the entropy of a 1 mole of ideal gas which went [...]
In an ideal refrigerator, heat from inside at 277 K is transformed to a room at 300K. How many joules of heat will be delivered to the room for each joule of electrical energy consumed ?
10
Sep
In an ideal refrigerator, heat from inside at 277 K is transformed to a room at 300K. How many joules of heat will be delivered to the room for each joule of electrical energy consumed ? heat from inside at 277 K is transformed to a room at 300K. How many joules of heat will [...]
An ideal refrigerator is used to transfer heat from a freezer at -23 C to the surrounding at 27 C. Its coefficient of performance is
10
Sep
An ideal refrigerator is used to transfer heat from a freezer at -23 C to the surrounding at 27 C. Its coefficient of performance is An ideal refrigerator is used to transfer heat from a freezer at -23 C to the surrounding at 27 C. Its coefficient of performance is September 10, 2021 Category: Cengage [...]
An ideal refrigerator has a freezer at a temperature of -13 C. The coefficient of performance of the engine is 5. The temperature of the air (to which heat is rejected) will be
10
Sep
An ideal refrigerator has a freezer at a temperature of -13 C. The coefficient of performance of the engine is 5. The temperature of the air (to which heat is rejected) will be An ideal refrigerator has a freezer at a temperature of -13 C. The coefficient of performance of the engine is 5. The [...]
An ideal gas is subjected to cyclic process involving four thermodynamic states, the amounts of heat (Q) and work (W) involved in each of these states are The ratio of the net work done by the gas to the total heat absorbed by the gas is η. The values of x and η respectively are
10
Sep
An ideal gas is subjected to cyclic process involving four thermodynamic states, the amounts of heat (Q) and work (W) involved in each of these states are The ratio of the net work done by the gas to the total heat absorbed by the gas is η. The values of x and η respectively are [...]
The maximum possible efficiency of an engine that absorbs hat at 327C and exhausts heat at 127 C is.
10
Sep
The maximum possible efficiency of an engine that absorbs hat at 327C and exhausts heat at 127 C is. The maximum possible efficiency of an engine that absorbs hat at 327C and exhausts heat at 127 C is. September 10, 2021 Category: Cengage NEET by C.P Singh , Chapter 21 - Laws of Thermodynamics , [...]
A gas undergoes a process in which its pressure P and volume V are related as VP^(n) = constant. The bulk modulus for the gas in this process is:
10
Sep
A gas undergoes a process in which its pressure P and volume V are related as VP^(n) = constant. The bulk modulus for the gas in this process is: A gas undergoes a process in which its pressure P and volume V are related as VP^(n) = constant. The bulk modulus for the gas in [...]
P-V plots for two gases during adiabatic processes are shown in the figure. Plots 1 and 2 should correspond respectively to
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Sep
P-V plots for two gases during adiabatic processes are shown in the figure. Plots 1 and 2 should correspond respectively to P-V plots for two gases during adiabatic processes are shown in the figure. Plots 1 and 2 should correspond respectively to September 10, 2021 Category: Cengage NEET by C.P Singh , Chapter 21 - [...]
Three identical adiabatic containers A, B and C contain helium, neon and oxygen respectively at equal pressure. The gases are pushed to half their original volumes.
10
Sep
Three identical adiabatic containers A, B and C contain helium, neon and oxygen respectively at equal pressure. The gases are pushed to half their original volumes. B and C contain helium neon and oxygen respectively at equal pressure. The gases are pushed to half their original volumes: Three identical adiabatic containers A September 10, 2021 [...]
In the figure shown, the processes leveled 1, 2, 3 and 4 are
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Sep
In the figure shown, the processes leveled 1, 2, 3 and 4 are 2 3 and 4 are In the figure shown the processes leveled 1 September 10, 2021 Category: Cengage NEET by C.P Singh , Chapter 21 - Laws of Thermodynamics , Part 1 ,