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作者 ted40905 在 PTT [ Chemistry ] 看板的留言(推文), 共424則
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[高中] 碳碳單鍵鍵長比較
[ Chemistry ]19 留言, 推噓總分: +12
作者: pingshung - 發表於 2015/05/03 22:42(9年前)
13Fted40905: 可能用混成軌域來解釋會好些05/04 14:06
14Fted40905: sp3性質上比較接近2p,電子比較外面;2s比較短05/04 14:07
15Fted40905: 隨著混成比例變為sp2、sp,p的比重下降,鍵長就變短了05/04 14:08
[實驗] 手沾到compond洗不掉
[ Chemistry ]6 留言, 推噓總分: +4
作者: dragonet5 - 發表於 2015/04/13 18:45(9年前)
6Fted40905: 用蘇打水試試04/23 18:54
[學科] 有機 苯的反應問題
[ Chemistry ]16 留言, 推噓總分: +5
作者: zazion - 發表於 2015/03/26 20:38(9年前)
1Fted40905: 第一步是F-C醯化 跟克萊門森重排沒關係03/26 21:25
2Fted40905: 第三步就只是氫化 氫化有很多方法任君挑選03/26 21:26
3Fted40905: 搞笑了 誤以為你說克萊森重排 但沒差XD03/26 21:37
4Fted40905: http://ppt.cc/mUe8 第一段03/26 21:46
[學習] 一題絕熱膨脹
[ Chemistry ]18 留言, 推噓總分: +8
作者: Alcor - 發表於 2015/01/30 19:39(9年前)
10Fted40905: Perfect gas......第一次聽到這用詞......01/30 21:22
18Fted40905: P1V1=P2V2是等溫下才有的條件這題要用絕熱01/30 21:58
[問題] 有機化學
[ Chemistry ]15 留言, 推噓總分: +5
作者: paranoidc - 發表於 2015/01/18 18:25(9年前)
1Fted40905: 你說的沒錯阿,由於陽離子橋形成後Br-只能從背側攻擊C101/18 19:02
2Fted40905: 所以EZ form各一種產物01/18 19:02
3Fted40905: 更正 各一組 所以四種都有無誤01/18 19:36
7Fted40905: 答案是錯的01/19 17:46
8Fted40905: http://ppt.cc/DEhd01/19 17:54
[學習] 關於phenol的酸性
[ Chemistry ]15 留言, 推噓總分: +3
作者: liuseemin - 發表於 2015/01/14 20:57(9年前)
15Fted40905: 酸性強弱可由共軛鹼判斷。酚的共軛鹼有共振穩定 容易丟01/18 19:44
[學習] 有機酸鹼反應
[ Chemistry ]9 留言, 推噓總分: +3
作者: defeatedx - 發表於 2014/10/06 02:03(9年前)
1Fted40905: 從熱力學角度來說,只要時間夠長讓有機酸跟水分別解離10/07 23:11
2Fted40905: 最後就會產生好幾條平衡式,並根據各自的平衡常數10/07 23:12
3Fted40905: 來決定各種衍生物的濃度(包含你的式三在內)10/07 23:13
4Fted40905: 細節來說,有機酸共軛鹼-攻擊重水,得到單氘與雙氘產物10/07 23:18
5Fted40905: 這部分是沒問題的。不過"親核性"是動力學概念,而酸鹼10/07 23:20
6Fted40905: 是熱力學概念。你指出"搶奪D+的能力"實際上就是反應速度10/07 23:20
問個很基本的問題
[ Chemistry ]48 留言, 推噓總分: -6
作者: yw1002 - 發表於 2014/03/16 23:16(10年前)
11Fted40905:03/17 16:26