Uncle Michael

恩樂

回覆: 1

2008-04-26 1:42 am

會考化學題

[匿名]

回覆: 1

2008-04-25 2:23 am

Help!!!!!!!唔識做啊

[匿名]

回覆: 3

2008-04-23 1:32 am

中三化學問題(Compounds)請高手!!!

用戶218873

回覆: 1

2008-04-16 6:57 am

F.5chem

kayyyyyyyyyy

回覆: 2

2008-04-16 12:23 am

F.5 Chem

[匿名]

回覆: 2

2008-04-15 11:38 am

chem 問題...

[匿名]

回覆: 1

2008-04-15 7:40 am

鹽有非金屬所組成?有金屬所組成?

[匿名]

回覆: 2

2008-04-15 5:21 am

Chemistry -- Question x 2

用戶214855

回覆: 2

2008-04-13 10:35 pm

非常緊急chem acid~~~~~~~~~~~~~~~~~~~~~~~~20分

Lai Kuen

回覆: 2

2008-04-13 10:39 pm

unimolecular substitution

[匿名]

回覆: 2

2008-04-13 3:17 pm

4 條 科學 的問題 ( 英文 ) 急急急 !!!

用戶98670

回覆: 2

2008-04-13 4:24 pm

redox equations

勇

回覆: 2

2008-04-13 6:13 am

silicon(IV) oxide問題!!!

wendy

回覆: 1

2008-04-13 4:06 am

chem's question

Ellen

回覆: 1

2008-04-13 5:03 am

neutralization and salt

kelvin

回覆: 2

2008-04-13 1:26 am

bromine 同mercury既問題10分

cindy

回覆: 1

2008-04-13 2:43 am

will the temperature of water change during melting?

用戶170729

回覆: 1

2008-04-13 3:10 am

find the basicity

Tin Hang

回覆: 2

2008-04-12 9:08 pm

罐頭問題(馬口鐵)

kapo

回覆: 1

2008-04-13 1:02 am

CE Chemistry VII

Joey

回覆: 2

2008-04-12 7:44 pm

nitric acid幾時用reducing or acid properties??

Charlotte

回覆: 2

2008-04-12 5:41 pm

請幫手!!CE Chem MC 一條 (acid & alkali) 20pts!

ching

回覆: 1

2008-04-12 6:48 pm

[化學]氧化鈣

K.K.

回覆: 1

2008-04-12 3:48 pm

Catalysis in Redox system. 10Points

kapo

回覆: 2

2008-04-12 5:32 am

CE Chemistry V

kapo

回覆: 1

2008-04-12 5:21 am

CE Chemistry IV

[匿名]

回覆: 1

2008-04-11 8:11 pm

A level chen問題 acid base equilibria

用戶85377

回覆: 2

2008-04-12 12:07 am

A mole question

KA

回覆: 1

2008-04-12 1:46 am

雙原子分子!!!!!!!!!!!

T

回覆: 2

2008-04-12 1:46 am

CE Level Chemistry Qu : about conc. sulpuric acid

柊義之

回覆: 2

2008-04-11 7:31 am

有關氦,氖,氬,氪,氙,氡(貴氣體)問題.

[匿名]

回覆: 1

2008-04-11 5:10 am

chem NaOCl問題!!!

Mabel

回覆: 1

2008-04-11 4:08 am

CHEMISTRY - nonmetal

Kenneth

回覆: 2

2008-04-10 1:50 am

why is sulphur dioxide an oxidizing agent?

Kenneth

回覆: 1

2008-04-10 12:53 am

1991 Chem MC (2)

John Choi

回覆: 2

2008-04-10 12:55 am

Lime and Lime Stone

Kenneth

回覆: 1

2008-04-10 12:47 am

1991 Chem MC

Angelita

回覆: 4

2008-04-09 10:18 pm

ALChem energy profile

用戶82723

回覆: 3

2008-04-09 8:11 pm

2004 CE Chem 6(a)(iv)

[匿名]

回覆: 2

2008-04-09 7:16 am

Balance equation 問題

hip sze

回覆: 2

2008-04-08 8:43 pm

chem的問題

K.K.

回覆: 1

2008-04-08 8:51 am

Hydrolysis of Benzoyl chloride AND Propanamide. 10 Points

用戶170729

回覆: 1

2008-04-08 7:39 am

molarity concept

[匿名]

回覆: 1

2008-04-07 12:11 pm

please help me with these chemistry problems.

[匿名]

回覆: 2

2008-04-08 4:06 am

急determining the appropriate strength of hydragon bonding

用戶2486

回覆: 3

2008-04-03 5:34 pm

ce chem mc

[匿名]

回覆: 2

2008-04-07 2:05 am

chem 97年mc第29題

[匿名]

回覆: 2

2008-04-07 1:51 am

I am struggling with those 20 chemistry questions >

[匿名]

回覆: 3

2008-04-07 1:54 am

20 chemistry questions to ask , please~

tttttt

回覆: 1

2008-04-07 12:25 am

求 鈁 的爆炸實驗片段?