Two identical containers, A and B, hold equal amounts of the same ideal gas at the same Po, Vo and To. The pressure of A then decreases by a half while its volume doubles; the pressure of B doubles while its volume decreases by a half. Which statement correctly describes the temperatures of the gases after the changes?
A. TA = 0.5TB = To.
B. TB = 0.5TA = To.
C. TB = TA = To.
D. TA = 2TB = To.
E. TB = 2TA = To.
Answer: C
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