[轉錄][無言] 水的沸點
※ [本文轉錄自 StupidClown 看板]
作者: eagle0401 (心機) 看板: StupidClown
標題: [無言] 水的沸點
時間: Mon Nov 10 18:09:28 2008
昨天的天氣相較於前幾天 冷了非常多
於是跟我另外兩個室友 三個人都不約而同的想煮泡麵當午餐吃
整件事情就發生在 把水放到鍋子裡 開火下去煮時...
我看到室友的鍋蓋在旁邊 隨手就幫他把鍋蓋蓋上
室友a稱他叫洋蔥 室友b就叫他阿胖好了
洋蔥:不要蓋! 這樣會比較慢滾
我:這樣會比較快吧? 怎麼會比較慢?
洋蔥:你蓋上蓋子 他水蒸發的時候 鍋內壓力上升
沸點就會上升 那自然就會比較慢滾拉
我:你當做你是用壓力鍋在煮泡麵喔
人家壓力鍋是整個密封的
這種只是煮湯用的鍋子 你當它壓力還會上升喔
洋蔥:怎麼不會 你沒唸過高中化學喔 三相圖看過沒有
我:但是你那種爛鍋子 那有可能讓它壓力上升
蓋蓋子是為了讓蒸發的水蒸汽留住 讓熱能不會跑掉吧
阿胖:對呀 蓋蓋子 是為了增加它的對流呀
..........
......................
以上是三個唸物理系的爭吵.......
這個問題吵了好一陣子.......
洋蔥現在還覺得 蓋上蓋子會比較慢滾
而我跟阿胖叫他自己實驗一次 他也不願意
有鄉民 可以跟洋蔥說明一下是誰對誰錯嗎?
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