問題詳情
38.小華在三個相同燒杯中，各加入50 公克、溫度20℃ 的甲、乙、丙三種不同的溶液，放在相同的穩定熱源上加熱，得到如下表的資料。若甲溶液由20℃ 加熱至40℃，需要1000 卡的熱量；乙溶液由32℃ 加熱至56℃，也需要1000 卡的熱量，則丙溶液由20℃ 加熱至90℃ 需要多少卡的熱量？（假設熱源供給的熱量均被溶液吸收） 
(A)
(B)
(C)
(D)3000。
(A)
(B)
(C)
(D)3000。
參考答案
答案：C
難度：適中0.571429
統計：A(0),B(2),C(4),D(0),E(0)
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