In a System Composed of Nitrogen Gas in a Cylinder $\Delta$

question 16

Multiple Choice

In a system composed of nitrogen gas in a cylinder fitted with a piston,when 2.00 kJ of energy is transferred as heat at an external pressure of 2.00 atm,the nitrogen gas expands from 2.00 to 5.00 L against this constant pressure.What is $\Delta$ U for the process?

• A)(-0.608 kJ)
• B)+1.39 kJ
• C)+2.61 kJ
• D)0
• E)(-2.61 kJ)

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