Q2. A 0.8 m³ rigid tank contain carbon dioxide (CO₂) gas at 250K and 100 kPa. A 500W electric resistance heater placed in the tank for 40 minutes until the pressure of CO2 becomes 175 kPa. The total amount of heat transfer to the surrounding is 976 kJ. Assuming the surroundings temperature to be at 300K, calculate a) the mass and final temperature of CO₂ (K) b) the entropy changes of CO₂ (KJ/K) c) the entropy changes of the surrounding

Q2. A 0.8 m³ rigid tank contain carbon dioxide (CO₂) gas at 250K and 100 kPa. A 500W electric resistance heater placed in the tank for 40 minutes until the pressure of CO2 becomes 175 kPa. The total amount of heat transfer to the surrounding is 976 kJ. Assuming the surroundings temperature to be at 300K, calculate a) the mass and final temperature of CO₂ (K) b) the entropy changes of CO₂ (KJ/K) c) the entropy changes of the surrounding

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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