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A flask contains 99 moles of a monatomic ideal gas at pressure 6.79 atm and volume...

A flask contains 99 moles of a monatomic ideal gas at pressure 6.79 atm and volume 29.3 liters (point A on the graph. Now, the gas undergoes a cycle of three steps:

- First there is an isothermal expansion to pressure 3.71 atm (point B on the graph).

- Next, there is an isochoric process in which the pressure is raised to P1 (point C on the graph).

- Finally, there is an isobaric compression back to the original state (point A on the graph).

Find the heat added or removed, in KJ, over the isobaric process (from C to A). A positive answer means heat is added; a negative answer means heat was removed.  

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