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One mole of an ideal gas is originally at p 0 , V 0 , and T 0 . The gas is heated at constant volume to 2T 0 , then allowed to expand at constant temperature to 2V 0 , and finally it is allowed a cool at constant pressure to T 0 , the net entropy change for this ideal gas is (A)∆S = (5R/2) In 2. (B)∆S=5R/2. (C)∆S = R In 2. (D)∆S=3R/2. (E) ∆S = 0.

One mole of an ideal gas is originally at p0, V0, and T0 . The gas is heated at constant volume to 2T0, then allowed to expand at constant temperature to 2V0, and finally  it is allowed a cool at constant pressure to T0, the net entropy change for this ideal gas is                                                                                                                                                                                    (A)∆S = (5R/2) In 2.    
(B)∆S=5R/2.                                                                                
(C)∆S = R In 2.                
(D)∆S=3R/2.                                                                                
(E) ∆S = 0.

Grade:11

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