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Senior High
Chemistry
這兩題要如何解 謝謝
Chemistry
Senior High
over 1 yearago
AA
這兩題要如何解 謝謝
一玻璃管長 57cm,管底封閉。在 25℃、1atm 下,裝滿氮氣,然後倒 壓入一水銀槽內,直到管底與水銀面等高,如右圖,若外界仍是1大氣 壓、25℃。試問: D | 57cm N₂ 壓入 (1)管內氮氣高度為若干公分? (2) 管內氮氣壓力為若干 cmHg? 图 (1) Hg 0.001 ;(2) 大氣壓力為 76cmHg,今有管徑均勻的玻璃管開口向上,並以汞柱封住一段氣體 如右圖,若欲使氣柱成為20cm,則需注入汞若干cm²?(管的截面積為1cm²) 答 汞 24cm 氣體 | 24cm
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