Heat 會考試題5
Quiz
•
Chemistry
•
8th - 9th Grade
•
Hard
CHEN HSI CHUAN
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小立以相同的燒杯盛等量的水,以相同的熱源同時加熱,如右圖所示。甲杯為隔水加熱,乙杯為隔油加熱,丙杯為隔砂加熱。加熱一段時間後,測得外鍋溫度分別為水溫100℃、油溫300℃、砂溫600℃。若甲、乙、丙三燒杯的水均呈沸騰狀態,則此三杯水的溫度高低順序為何?
甲>乙>丙
甲<乙<丙
甲<乙=丙
甲=乙=丙
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小莉欲了解水溫的變化和加熱時間的關係,其實驗的裝置如右圖所示,實驗時火的大小、火與燒杯的距離均相同,且火所提供的熱量均被水吸收。當兩杯水從初溫同為20℃開始加熱至沸騰前,其實驗結果的圖示,下列何者正確?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
分別取油85克與水85克,以相同的熱源加熱,其溫度與加熱時間的關係如圖中甲、乙兩線所示。若取170克的某液體,以相同的熱源加熱,則其溫度與加熱時間的關係,下列何者正確?(1克的油上升1℃需0.6卡的熱量,1克的水上升1℃需1.0卡的熱量,1克的某液體上升1℃需0.5卡的熱量)
落在Ⅰ區
落在Ⅱ區
與甲重疊
與乙重疊
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在室溫下,小雲將質量56克的鐵塊加熱,使它吸收700cal的熱量。已知質量為1克的鐵,溫度上升1℃,大約需要吸收0.1cal的熱量。假設溫度的變化以℃為單位,下列何項可算出鐵塊上升的溫度?
700÷0.1×56
700÷0.1÷56
700×0.1×56
700×0.1÷56
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
右表列出六種不同物質的比熱。取質量為50公克、溫度為25℃的不同物質,以一穩定供應熱量的熱源分別加熱。(假設加熱過程中物質並未熔化或氣化。)加熱5分鐘後,下列何者吸收的熱量最多?
鋁
銅
鉛
都一樣
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
右表列出六種不同物質的比熱。取質量為50公克、溫度為25℃的不同物質,以一穩定供應熱量的熱源分別加熱。(假設加熱過程中物質並未熔化或氣化。)將鐵、銅、銀三種不同的物質,由同一溫度加熱至200℃,則下列何者吸收的熱量最多?
鐵
銅
銀
都一樣
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知使1公克的水溫度上升1℃所需要的熱量等於1卡,而使1公克的酒精溫度上升1℃所需的熱量小於1卡。若將100公克、20℃的酒精與100公克、60℃的水混合,且在液體的混合過程中並無熱量散失,也未產生揮發或蒸發的現象,則下列何者為此混合液體的末溫?
小於30℃
介於30℃與40℃之間
等於40℃
介於40℃與60℃之間
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