酒精和水銀溫度計裡是否為真空 - 酒精
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By Bennie
at 2011-12-11T00:00
at 2011-12-11T00:00
Table of Contents
請問一下酒精和水銀溫度計裡是否為真空
另外請告訴我為什麼真空或為神麼裡面裝空氣
另外請告訴我為什麼真空或為神麼裡面裝空氣
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酒精
All Comments
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By Edith
at 2011-12-14T00:43
at 2011-12-14T00:43
http://senior.cyhs.tp.edu.tw/sensci/Physics/paper/...
理想氣體理論: PV=nRT, 如果水銀溫度計裡有空氣,
則酒精或水銀溫度計於熱漲冷縮時, 會多了一項溫度計裡的空氣壓力
會隨著溫度及體積的變化而產生變化, 此變化會影響到水銀與酒精的熱漲冷縮
影響量測的準確性.
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