理化熱的傳播 - 酒精

By Callum
at 2013-01-08T00:00
at 2013-01-08T00:00
Table of Contents
1.小乃、小順和寶妹三人以下列方法處理體積大小相同、溫度相同的冰塊,小乃將冰塊放在太陽下;小順將冰塊擺在教室內;寶妹將冰塊用棉被包起來。請問哪個人的冰塊融化得最慢?2.甲.鐵粉與氧反應;乙.水凝結成冰;丙.酒精揮發;丁.將食鹽溶解在燒杯內的水中杯壁會覺得較冰涼。上述反應中,有��
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