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  5. 想詢問這題怎麼解
Chemistry
Senior High
aug.ww
aug.ww

想詢問這題怎麼解

2) 右圖為閉口式壓力計,右管裝有20cm長的空氣柱, 120cm 已知A氣體壓力40cmHg,則下列敘述何者正確? (A)空氣柱壓力10cmHg A gas 150cm 20cm (B)若將A氣體完全放出,改裝入B氣體發現 右端汞柱下降 5cm,則B氣體壓力 28cmHg (C)若將B氣體完全放出,改裝入C氣體發現右端 支柱上升 10cm,則C 氣體壓力 60cmHg (D)打開活塞與外界相通,當時大氣壓力1atm,則此空氣柱長度8.6cm。
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