國中自然2上5-2
Quiz
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Fun
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7th - 9th Grade
•
Practice Problem
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Hard
Tang Da
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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
小明將一杯500毫升、30℃的開水放入冰箱中冷凍,2小時後他將開水拿出,發現開水的溫度變成10℃,請問開水總共放出多少熱量?(不計水分散失)
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
將三個相同的燒杯甲、乙、丙分別加入10公克、40公克及70公克且同為20℃的水,放在同一熱源加熱5分鐘,若水皆未沸騰,則哪一杯的溫度最高?
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
質量0.3公斤的水由10℃升至20℃,共吸熱多少卡?
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
10℃、2.4公升的水,若吸收4800卡的熱量,則溫度將變為多少℃?
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
甲、乙、丙三物體質量相等,比熱分別為0.2、0.5、1.0cal/(g‧℃),若欲使三物體升高相同的溫度,則所需的熱量由多至少的順序為何?
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
已知10公克的鐵塊從10℃加熱至110℃時,需吸收113卡的熱量,試問鐵的比熱為多少卡∕(公克.℃)?(不計熱量的散失)
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
利用電暖爐取暖、保溫瓶保存熱水、冰箱保存食物等,這些都是日常生活中常見的行為,試問上述都和哪一種能量有關?
8.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
正常人每天從早到晚由食物中所攝取的水分,部分會從皮膚蒸發。假設每蒸發1公克的水分,水會吸收500卡的熱量。玲芳某日攝取2000毫升水分,由皮膚蒸發了1400毫升,請問他當日由皮膚散失多少卡熱量?
9.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
甲、乙兩個物體的比熱與初溫如附表所示,當甲和乙接觸時,會產生什麼現象?為什麼?
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