Yahoo 知識+ 將於 2021 年 5 月 4 日 (美國東岸時間) 停止服務，而 Yahoo 知識+ 網站現已轉為僅限瀏覽模式。其他 Yahoo 資產或服務，或你的 Yahoo 帳戶將不會有任何變更。你可以在此服務中心網頁進一步了解 Yahoo 知識+ 停止服務的事宜，以及了解如何下載你的資料。
Chemistry!!(quick)
1.Please give three examples of superbase.
2.I checked dictionary that alkali and base have a similar meaning, what is the difference between them?
3.How can we draw 2-butyl octane?
2 個解答
- 膠人至上主義者Lv 71 十年前最愛解答
1. Li3N, NaH, CaH2
2. base is the acceptor of potons, whether it is soluble or not in water
but alkali is just bases that dissolve in water.
3.
圖片參考：http://imgcld.yimg.com/8/n/HA00950331/o/7010022000...
- 1 十年前
1: sodium hydride,calcium hydride, lithium nitride
2:Actually,alkali and base are from the same kind of things
however, base can not dissolve into water and become aqueous solution
while alkali can dissolves and form its aqueous solution.the common example
: NaOH(aq),NH3(aq)andKOH(aq)
3:開唔到link
2010-02-20 21:07:37 補充：
你可以當 alkali係base當中既異變
佢地都係base,不過又係soluble
人地就尊稱佢地做alkali了
