Consider a cylinder of a monatomic ideal gas which has a volume of 2 liters and

Question

Consider a cylinder of a monatomic ideal gas which has a volume of 2 liters and a pressure of 2 atmospheres at 300 K. If you double the pressure to 4 atmospheres (the number of moles of gas is constant and V is constant), what can you say about the internal energy of the gas (U), the work done on the gas (W), and the heat transferred to the gas (Q)?

Answer




A.


W > 0, Q > 0, and U increases






B.


W > 0, Q < 0, and U increases.






C.


W = 0, Q > 0, and U increases.






D.


W = 0, Q < 0, and U increases.






E.


W = 0, Q > 0, and U stays the same.






F.


W = 0, Q < 0, and U stays the same.






G.


W = 0, Q > 0, and U decreases.






H.


W = 0, Q < 0, and U decreases.






I.


W < 0, Q > 0, and U increases.






J.


W < 0, Q < 0, and U increases

Explanation / Answer

B. W > 0, Q < 0, and U increases.

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