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19. 用酒精燈加熱 30 公克的水,使水從 20℃升高至 60℃,酒精燈提供給水多少卡的熱量?【題組】20. 承 19 題,如果酒精的比熱為 0.6 卡/(公克.℃),則相同熱量能使 400 公克的
問題詳情
19. 用酒精燈加熱 30 公克的水,使水從 20℃升高至 60℃,酒精燈提供給水多少卡的熱量?
【題組】
20. 承 19 題,如果酒精的比熱為 0.6 卡/(公克.℃),則相同熱量能使 400 公克的酒精由 24℃升高至多少℃?
(A)10
(B)29
(C)34
(D)44。
參考答案
上一篇 :
19. 用酒精燈加熱 30 公克的水,使水從 20℃升高至 60℃,酒精燈提供給水多少卡的熱量?(A)1200 (B)1600 (C)2000 (D)2400。
下一篇 :
Section B Genetic engineering on a planetary used to be the stuff of science fiction dreams
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