19. 75.0 mL of a pure liquid at 245 K is mixed with 100.0 mL of the same pure liquid at 365. K. What is the final temperature of the mixture?
(A) 295 K
(B) 305 K
(C) 314 K
(D) 325 K
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統計: 尚無統計資料
統計: 尚無統計資料