這題物理要怎麼解呢? - 考試
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By Kumar
at 2013-05-21T08:23
at 2013-05-21T08:23
Table of Contents
1.把200克之冷金屬塊投入質量為100克,溫度為10度C的水中,平衡後整個系統之溫度為0度C
,金屬塊上並附一層10克的冰,已知該金屬的比熱為0.1卡/克-度C ,水的凝固熱為80卡/克
設整個系統在整個過程流失熱量200卡,則該金屬之原來的溫度為?
Ans: -80度C
2.將1克60度C的水與2莫耳30度C的理想氣體混合,則末溫為若干度C?
Ans: 34度C
有高手會的嗎?謝謝^^
--
,金屬塊上並附一層10克的冰,已知該金屬的比熱為0.1卡/克-度C ,水的凝固熱為80卡/克
設整個系統在整個過程流失熱量200卡,則該金屬之原來的溫度為?
Ans: -80度C
2.將1克60度C的水與2莫耳30度C的理想氣體混合,則末溫為若干度C?
Ans: 34度C
有高手會的嗎?謝謝^^
--
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