Question

?? OUESTION 3 3 a) Discuss the difference between an didiabatic boundary and a diathermic boundary. 3 b) Consider a closed system undergoing a thermodynamic process. The system contains an ideal gas initially at a pressure of 2 atm , a temperature of 298 K and a volume of 5 L . The process is such that the volume is increased while keeping the pressure constant. During this process, \( \times 1500 \mathrm{~J} \) of heat is added to the system. The gas expands to a final volume of 10 L while maintaining constant pressure. i) Calculate the work done by the gas during the constant-pressure expansion. ii) Calculate the change in internal energy of the gas during the entire process. iii) Determine the final temperature of the gas after the entire process. iv) Calculate the entropy change of the gas during the entire process. (3) [14]

          ?? OUESTION 3
3 a) Discuss the difference between an didiabatic boundary and a diathermic boundary.
3 b) Consider a closed system undergoing a thermodynamic process. The system contains an ideal gas initially at a pressure of 2 atm , a temperature of 298 K and a volume of 5 L . The process is such that the volume is increased while keeping the pressure constant. During this process,
\( \times 1500 \mathrm{~J} \) of heat is added to the system. The gas expands to a final volume of 10 L while maintaining constant pressure.
i) Calculate the work done by the gas during the constant-pressure expansion.
ii) Calculate the change in internal energy of the gas during the entire process.
iii) Determine the final temperature of the gas after the entire process.
iv) Calculate the entropy change of the gas during the entire process.
(3)
[14]

?? OUESTION 3
3 a) Discuss the difference between an didiabatic boundary and a diathermic boundary.
3 b) Consider a closed system undergoing a thermodynamic process. The system contains an ideal gas initially at a pressure of 2 atm , a temperature of 298 K and a volume of 5 L . The process is such that the volume is increased while keeping the pressure constant. During this process,
× 1500 J of heat is added to the system. The gas expands to a final volume of 10 L while maintaining constant pressure.
i) Calculate the work done by the gas during the constant-pressure expansion.
ii) Calculate the change in internal energy of the gas during the entire process.
iii) Determine the final temperature of the gas after the entire process.
iv) Calculate the entropy change of the gas during the entire process.
(3)
[14]

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