小輝測量不同物質的比熱,結果如下表所示。根據此表,無法得到下列何項推論?
熱量與比熱007_圖表題

Quiz
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Science
•
7th - 9th Grade
•
Medium
鄭之偉 鄭之偉
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
質量為1 g,溫度為10 ℃的鉛,它所含有的熱量為0.31 cal
質量為1 g的鋁溫度上升10 ℃,則它需吸收熱量為2.2 cal
同一種物質在液態或固態的不同狀態下,其比熱可能不同
若質量相同的鋁及銅吸收相等的熱量,則鋁的溫度變化較銅小
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將一質量50g、溫度10°C、比熱0.6 cal/g‧°C的金屬塊投入裝有90°C水的容器內,其水溫與時間的關係如圖(十二)所示。若無其他熱量散失,此過程水傳遞至金屬塊的熱量約為多少?
500 cal
1000 cal
1500 cal
2000 cal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燒杯內裝入220g、23℃的水,再自冷凍庫中取出100克的鋁塊放入水中(鋁的比熱為0.22cal/(g‧℃)),水溫變化如附圖,試問水放出的熱量為多少卡?
600
660
720
780
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請由圖表判斷,丙代表何種物質?
鋁塊
銀塊
鐵塊
鉛塊
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
取1000公克、20℃的甲液體裝在燒杯內,以穩定熱源加熱,其溫度與加熱時間的關係如附圖。若熱源每分鐘提供3000卡,且熱量無散失,則甲液體的比熱為多少卡∕(公克‧℃)?
1.0
1.2
1.8
2.4
6.
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,其線圖會落到哪個區域?(比熱:油0.6、水1、某0.5)
落在Ⅰ區
落在Ⅱ區
與甲重疊
與乙重疊
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以相同的熱源加熱相同質量的油與水,測得溫度與加熱時間的關係如附圖所示。
油的溫度上升比水快,是因為水吸熱較多
若升高相同的溫度,則水吸收的熱量比油多
水的溫度上升比油慢,是因為水吸熱較少
若兩者加熱的時間相同,則溫度的變化也會相同
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