熱量與比熱002_熱量與水的溫度變化
Quiz
•
Science
•
7th - 9th Grade
•
Practice Problem
•
Medium
鄭之偉 鄭之偉
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於物質所含熱量的各項敘述,何者正確?
0℃、1公克的水所含熱量為1卡
0℃、1公克的冰塊所含熱量為零
1℃、1公克的水較0℃、1公克的水多出1卡熱量
1℃、1公克的水所含熱量為1卡
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使1公克的水溫度上升1℃,所需要吸收的熱量為1卡,如果50公克的水吸熱後,溫度由25℃上升至50℃,則該水吸熱多少卡?
2
25
50
1250
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
加熱100公克的水,使水溫由25℃升高至95℃,需多少卡熱量?
4000
5000
6000
7000
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一杯質量為200g、溫度為60℃的水放在空氣中降溫,若不考慮水蒸發時質量之微小變化,當水溫降到40℃,約散失多少卡的熱量?
16000卡
8000卡
4000卡
2000卡
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
至偉將一杯500 c.c.、5℃的水從冰箱中拿出置於桌面,一小時後水的溫度變為15℃,請問水總共吸收多少熱量?(不計水分散失)
5000卡
10000卡
15000卡
1. 20000卡
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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)
5000卡
10000卡
15000卡
20000
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將三個相同的燒杯甲、乙、丙分別加入10 g、40 g及70 g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?
甲
乙
丙
三杯的溫度皆相同
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