作者查詢 / evanzxcv
作者 evanzxcv 在 PTT [ Chemistry ] 看板的留言(推文), 共2359則
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5F推: H3S+比H3O+酸,故在水溶液中平衡不利於H3S+的形成,H2S05/10 21:59
6F→: 自然無法當作鹼。不過題目並沒有說清楚05/10 21:59
1F推: A是三級啊,接溴的碳上又沒氫,傾向走SN101/17 23:30
6F推: 理論上是不會殘留,親水性的東西不太可能殘留在疏水性的11/21 07:08
7F→: 東西上,再來你又過了熱水了11/21 07:08
8F→: 至於變質也不必擔心,除非你是長時間(數週至數月)的浸11/21 07:09
9F→: 泡11/21 07:09
16F推: 我也覺得找個大桶子用水龜試試看10/16 14:40
17F→: 水量多一點再丟一堆冰塊下去10/16 14:40
10F推: 6~7色只是大分類,但人眼當然能分辨出各種細微不同的紅10/08 18:26
11F→: 細微不同的藍等等10/08 18:26
27F推: 開大絕用Swern oxidation把DMSO幹掉呢?可以用乙醇或異08/11 11:52
28F→: 丙醇之類易揮發的起始物。缺點是會很臭08/11 11:52
2F推: 換溶劑或者改用密封管06/07 18:30
10F推: 樓上要說sp吧,總之sp混成的氮的電負度高到令人咋舌,不05/09 07:54
11F→: 會那麼容易想分享出來05/09 07:54
5F→: 18族元素也非完全不參與反應,所以英文才從Inert gases04/21 07:16
6F→: 改為Noble gases,但中文還是慣稱惰性氣體,其實應該提04/21 07:16
7F→: 倡改稱「貴氣體」。至於惰性基本上都是相對的,除了氦氖04/21 07:16
8F→: 氬之外沒有絕對惰性的氣體,看用途而定,像氮氣在大多數04/21 07:16
9F→: 情況可當惰性氣體,可是要用鋰金屬的場合就不惰性了。04/21 07:16
5F推: 應該就只是針對常見的污染物質做出標準,畢竟分析化學跟12/30 07:07
6F→: 半導體業很在意這種微量金屬的12/30 07:07