Two Samples of a Monatomic Ideal Gas Are in Separate

question 71

Multiple Choice

Two samples of a monatomic ideal gas are in separate containers at the same conditions of pressure, volume, and temperature (V = 1.00 L and P = 1.00 atm) . Both samples undergo changes in conditions and finish with V = 2.00 L and P = 2.00 atm. However, in the first sample, the volume is changed to 2.0 L while the pressure is kept constant, and then the pressure is increased to 2.00 atm while the volume remains constant. In the second sample, the opposite is done. The pressure is increased first, with constant volume, and then the volume is increased under constant pressure.
-Calculate the difference in ΔE between the first sample and the second sample.

• A) 0
• B) 1.00 L•atm
• C) 2.00 L•atm
• D) 4.50 L•atm
• E) none of these

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