Suppose we have 8.1 moles of an He gas. Its initial temperature is 27 C and pressure is 2*10 N/m². Now we take the gas over the path, shown in figure A-> B-> C. We can safely assume the condition of an ideal monoatomic gas (Cp5/2R and C, -3/2R). 1. What is the work of the gas when it expands from A-> B? 2. What is the variation of the internal energy from A->B? 3. What is the heat absorbed from A -> B 4. What is the heat absorbed from B->C if the process in that segment is adiabatic?

Suppose we have 8.1 moles of an He gas. Its initial temperature is 27 C and pressure is 2*10 N/m². Now we take the gas over the path, shown in figure A-> B-> C. We can safely assume the condition of an ideal monoatomic gas (Cp5/2R and C, -3/2R). 1. What is the work of the gas when it expands from A-> B? 2. What is the variation of the internal energy from A->B? 3. What is the heat absorbed from A -> B 4. What is the heat absorbed from B->C if the process in that segment is adiabatic?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

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Question

Suppose we have 8.1 moles of an He gas. Its initial temperature is 27 C and pressure is 2105 N/m².
Now we take the gas over the path, shown in figure A-> B -> C.
We can safely assume the condition of an ideal monoatomic gas (Cp5/2R and C=3/2R).
1. What is the work of the gas when it expands from A -> B?
2. What is the variation of the internal energy from A->B?
3. What is the heat absorbed from A -> B
4. What is the heat absorbed from B->C if the process in that segment is adiabatic?
p{N/m2)
2x105
1x 105
0
1.0 1.5
C
2.0
V(m3)

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