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Question 2

Solution

5.50 g of nitrogen gas at 21.0 °C and an initial pressure of 3.10 atm undergo an isobaric expansion until the volume has tripled.


Part A: How much heat energy is transferred to the gas to cause this expansion? Express your answer with the appropriate units.

 

Part B: The gas pressure is then decreased at constant volume until the original temperature is reached. What is the gaspressure after the decrease? Express your answer with the appropriate units.

 

Part C: What amount of heat energy is transferred from the gas as its pressure decreases? Express your answer with the appropriate units.

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