violinist

2003

回覆: 1

2009-04-24 7:10 am

nucleophilic addition by CN-

[匿名]

回覆: 2

2008-11-20 1:24 am

S.4 MATH (函數與圖像) 急急急!! 20點

[匿名]

回覆: 2

2008-11-18 6:09 am

Sound ge問題

[匿名]

回覆: 3

2008-11-18 7:43 am

oxidation of alkanol

lin812

回覆: 2

2007-12-09 12:18 am

melting point and boiling point of metal

用戶114135

回覆: 2

2007-08-07 3:48 am

heat & heat energy 一問

[匿名]

回覆: 1

2007-07-31 2:34 am

chemistry problem

用戶146424

回覆: 1

2007-07-28 9:30 pm

什麼是Contact force？

2003

回覆: 2

2007-05-21 7:22 am

[AI(OH)3]-

嘉欣

回覆: 3

2007-05-14 2:30 am

Balanced ionic equations (20 marks)

用戶116093

回覆: 2

2007-05-13 11:24 am

chem---optical activity

用戶100130

回覆: 1

2007-05-06 8:40 pm

Ionic bond

[匿名]

回覆: 2

2007-05-06 8:36 pm

f4 chem please help me~~

KWAN

回覆: 2

2007-05-02 6:34 am

catalyst

alanlamtat

回覆: 1

2007-05-02 6:35 am

Complex ions

timothy

回覆: 3

2007-05-01 8:27 pm

Under what situation will reaction occur ga?

byj

回覆: 2

2007-04-30 10:37 pm

一些化學問題

STEVIE-G™

回覆: 2

2007-04-30 9:59 pm

化學摩爾計算題

[匿名]

回覆: 2

2007-04-29 6:48 am

緊急!!!!力學問題 (10分)

2003

回覆: 2

2007-04-29 4:50 am

heating xxx nitrate

halo

回覆: 2

2007-04-28 5:14 am

nitrogen dioxide

chanel

回覆: 1

2007-04-28 8:31 am

CHEM,,反應速率

香港

回覆: 1

2007-04-25 8:08 pm

AL,,,PHY,,,,問題

用戶206386

回覆: 2

2007-04-25 8:19 am

有關避雷針~

[匿名]

回覆: 2

2007-04-25 3:34 am

electricity (f.2 science)

Jason

回覆: 2

2007-04-25 3:47 am

Urgent ! Physics , 高人請指教 !

創意

回覆: 2

2007-04-25 3:23 am

phy mc - eddy current

STEVIE-G™

回覆: 2

2007-04-25 2:49 am

變壓器一問....................

[匿名]

回覆: 3

2007-04-21 10:08 pm

HCl + HNO3

用戶87450

回覆: 2

2007-04-18 2:08 am

我想問石灰石岩洞同碳酸氫鈣有咩關係？ｃｈｅｍ老師入（２０分）

用戶109462

回覆: 2

2007-04-08 8:25 am

Chem 高手請答

woolam3

回覆: 1

2007-04-06 7:59 am

Why NH4NO3 has a giant ionic structure?

Tina

回覆: 1

2007-04-04 12:34 am

High Explosives

[匿名]

回覆: 2

2007-04-03 4:50 am

something about capacitor

Alan

回覆: 1

2007-04-03 1:06 am

麻油和醋的問題

cheuk pui

回覆: 4

2007-04-01 7:06 am

F.5.question--點知邊d鹽可溶於水,邊d吳溶

用戶100526

回覆: 3

2007-03-29 6:05 am

為什麼gravity 把所有東西都吸向地球 instead of air molecule?

hello

回覆: 2

2007-03-23 7:59 am

[Chem] chemical equation

用戶114036

回覆: 1

2007-03-22 5:25 am

咩叫鹼式碳酸銅??

文琪

回覆: 2

2007-03-20 6:14 am

determination of the qeuilibrium constant

用戶96253

回覆: 1

2007-03-19 2:16 am

需要完整電化序electrochemical series

澍 Tree

回覆: 2

2007-03-15 1:54 am

How to make bomb?

用戶154643

回覆: 3

2007-03-13 7:08 am

銅幣上的銅銹

用戶172983

回覆: 2

2007-03-13 6:42 am

原子是氣態嗎??

Alpha W

回覆: 6

2007-03-13 6:32 am

那兩種或以上的元素混合後有強烈的化學反應?

yiuting

回覆: 3

2007-03-04 3:40 am

Rusting process??