理化高手很會交的請進來拜託(超急) - 酒精
By Irma
at 2010-01-07T00:00
at 2010-01-07T00:00
Table of Contents
Q:有一酒精燈加熱分鐘,可提供1000卡熱量。再室溫26度c時,用此酒精都加熱40公克是溫水10分鐘,可使水的溫度升至幾度?A:76度c我看我們老師給我們的答案是H=2000calM=40gS=cal/g度c這一題我想知道的是H=2000cal是怎麼來的??還是說有什麼公式?(很抱歉我理化真的很爛!!!)Q2:欲使1000ml95度c的水溫度降至35度c,需加入
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酒精
All Comments
By Andy
at 2010-01-10T17:04
at 2010-01-10T17:04
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