理化ch5-1~5-3
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
房繼誠教務處教師 房繼誠教務處教師
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28 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
將甲、乙兩杯不同溫度的茶,混合後達到熱平衡。在達到熱平衡的過程中,假設甲杯茶吸收的熱量為 H甲,乙杯茶放出的熱量為 H乙,系統散失的熱量為 H丙,請問下列關係何者正確?(H甲、H乙、H丙皆為正值)
H乙+H丙=H甲
H甲+H乙=H丙
H甲+H丙=H乙
H甲=H乙
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
達爾取質量 100 公克、溫度 20℃的水、銅、銀和鉛四種物質,其比熱值如表所示。若以穩定供應的熱源分別加熱,則哪一種物質的溫度最先到達 80℃?
水
銅
銀
鉛
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
彥勳在三個相同燒杯中,各加入質量 60 g、溫度 25℃的甲、乙、丙三種不同的溶液,若放在相同的穩定熱源上加熱,可得到如表的資料。請問三種溶液中,何者的比熱最大?
甲
乙
丙
三者皆相同
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
如圖,取三顆均為 20 公克、25℃之鋁、銅、鐵球,放置於沸騰中的水裡,並持續加熱。經一段時間後,溫度停留在 100℃,已知鋁、銅、鐵比熱分別為 0.217、0.092 及 0.113 卡/克.℃,自沸水中取出三球,分別置入三個相同塑膠杯中,杯中裝有等質量且同為 20℃的水(設熱量無損失),則裝入何球時水的平衡溫度最低?
鋁
銅
鐵
三者相同
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
將 100 mL 的甘油進行加熱,當甘油的溫度由 35℃上升至 85℃時,請利用表所提供的相關資訊,計算甘油總共吸收多少熱量?
2900 卡
3654 卡
5481 卡
6300 卡
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
艾德利用自製溫度計測量水結冰時的溫度顯示為 3˚R,而量測水沸騰時的溫度顯示為 88˚R。若他將此溫度計放入一未知溫度的液體時,顯示為 20˚R,請問此液體的實際溫度為多少? ℃
17
20
23
30
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
達爾取質量 100 公克、溫度 20℃的水、銅、銀和鉛四種物質,其比熱值如表所示。這四種不同的物質,由同一溫度加熱至 80℃時,請問哪一個物質吸收的熱量最多?
銀
鉛
銅
水
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