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Clearnote
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Senior High
Chemistry
第三題怎麼算啊🥹
Chemistry
Senior High
6 monthsago
好難好困好想睡
第三題怎麼算啊🥹
80 60 40 20 60 溫度(C) 20℃時,物質X呈固態,比熱為0.3卡/克℃,莫耳質量為50克。 20℃時,取10克X,在單位時間加熱量一定之加熱器中加熱,其 溫 度變化與加熱時間如右圖所示。回答下列問題:(提示:1莫耳物質 熔化時所需的熱量,稱為莫耳熔化熱。) (1)X之熔點、沸點分別為多少℃?(6分) 50℃-80℃ (2)加熱器每分鐘提供多少卡熱量?(5分) 60卡 (3)X之莫耳熔化熱為多少卡?(5分) (2) 1234567 10 加熱時間(分)
Answers
鳥大便
6 monthsago
答案是300嗎(
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