72. The valve between the 3.00 L bulb, in which the gas pressure is 2.00 atm, and the 2.00 L bulb, in which the gas pressure is 2.70 atm, is opened. What is the final pressure in the two bulbs, assuming the temperature remains constant?
(A) 0.71 atm
(B) 1.03 atm
(C) 1.62 atm
(D) 2.01 atm
(E) 2.28 atm
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統計: A(0), B(0), C(0), D(0), E(31) #3101823
統計: A(0), B(0), C(0), D(0), E(31) #3101823