Hi I can someone help me my Physics Hw. I am a bit confused withThermodynamics.

Question

Hi I can someone help me my Physics Hw. I am a bit confused withThermodynamics. I understand the material. I just get confused whenit comes to applying the material. Please someone, help me to solvethese problems. I will definitely rate as soon as possible. Thelink to the questions is below. just click on it and it will directyou to the site which would be a PDF file. Thank you again and Ihope you can help me.

Link:
https://quest.cns.utexas.edu/student/assignments/problem_pdf?courseuserassignment=9882702

Explanation / Answer

How much energy must be added to the gas by heat forthe indirect path IAF to give the same change in internalenergy?

Answer in units of J.

.

         change ininternal energy = heat added - workdone  

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                   173.1J            =   heat added  -   area under the horizontal line

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              173.1 J     = heatadded - 2.5 atm * 1.5 L

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               173.1J = heat added   -   3.75atm-L

.

                173.1J = heat added -   380 J

.

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