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Solved: A mass of 8 kg of helium undergoes a process from
Chapter 8, Problem 825(choose chapter or problem)
A mass of 8 kg of helium undergoes a process from an initial state of 3 m3 /kg and 158C to a final state of 0.5 m3 /kg and 808C. Assuming the surroundings to be at 258C and 100 kPa, determine the increase in the useful work potential of the helium during this process.
Questions & Answers
QUESTION:
A mass of 8 kg of helium undergoes a process from an initial state of 3 m3 /kg and 158C to a final state of 0.5 m3 /kg and 808C. Assuming the surroundings to be at 258C and 100 kPa, determine the increase in the useful work potential of the helium during this process.
ANSWER:Step 1 of 3
A fixed mass of helium undergoes a process from a specified state to another specified state. The increase in the useful energy potential of helium is to be determined.
Assumptions are
1. At specified conditions, helium can be treated as an ideal gas.
2. Helium has constant specific heats at room temperature.
The gas constant of helium is 
