Uncle Michael

A student

回覆: 1

2008-06-01 12:59 am

Do they exist?

Nasik Kwok

回覆: 1

2008-06-01 12:06 am

Chemistry question(uegent)

c

回覆: 1

2008-05-31 7:12 pm

precipitate

litaipo

回覆: 1

2008-05-31 7:40 pm

Chem:Alkaline medium

VIŃCĘÑT

回覆: 3

2008-05-31 9:11 am

Organic Chemistry

A student

回覆: 2

2008-05-31 8:16 am

metal resistance of electricity

Ng

回覆: 1

2008-05-30 7:57 pm

想問有關cleansing agent

emily

回覆: 1

2008-05-31 12:08 am

Calculation about frequency(in Hz)and wavelength(in µm)in IR

大人

回覆: 2

2008-05-31 12:51 am

water ionize 既問題

大人

回覆: 2

2008-05-31 1:12 am

electrolysis of NaCl問題 急 幫幫plx

emily

回覆: 1

2008-05-31 12:13 am

我想問點樣由cm-1 轉做µm and nm

Anita

回覆: 3

2008-05-27 6:10 pm

unit convertion ( Chemistry)

[匿名]

回覆: 3

2008-05-29 5:58 am

點解電燈要用鎢而唔用其他?

Anita

回覆: 1

2008-05-27 6:14 pm

unit convertion ( chemistry)

用戶94945

回覆: 1

2008-05-27 8:11 am

f.3 CHEM word equation(20點)

[匿名]

回覆: 1

2008-05-26 3:12 am

phenolphthalein and universal indicator

[匿名]

回覆: 1

2008-05-25 2:31 pm

甚麼能氧化烯？

大人

回覆: 1

2008-05-24 7:45 pm

chem既skeletal formula................

awepratization

回覆: 3

2008-05-24 2:29 am

Calculation about titration

我係好人的朋友的朋友

回覆: 2

2008-05-24 2:35 am

Form 3 I.S.

[匿名]

回覆: 1

2008-05-24 1:02 am

還原物=還原劑!??急!

Anita

回覆: 1

2008-05-22 1:50 am

A Chemistry question!!~HELP~~~~

tang

回覆: 1

2008-05-22 12:11 pm

IUPAC What is the chinese IUPAC name of this compound ?

tang

回覆: 1

2008-05-22 12:34 pm

IUPAC What is the chinese IUPAC name of this compound (2) ?

用戶50554

回覆: 5

2008-05-22 7:17 am

鑽石會被熔嗎？

Tsz Chung

回覆: 2

2008-05-22 6:08 am

有咩化學物品可以溶黃金

[匿名]

回覆: 2

2008-05-21 7:02 pm

2 條 科學 的問題 ( 英文 ) 急急急 !!!

[匿名]

回覆: 1

2008-05-21 6:06 am

中四化學功課

用戶234264

回覆: 1

2008-05-19 8:21 pm

ABS resin is equal to Polyester?

[匿名]

回覆: 1

2008-05-19 8:57 am

Redox reaction and electrode potentials

Curtis

回覆: 2

2008-05-19 1:33 am

problem about partition coefficient

awepratization

回覆: 1

2008-05-19 1:50 am

magnesium trisilicate + hydrochloric acid

[匿名]

回覆: 1

2008-05-19 2:44 am

Issue about chemical problem

用戶192275

回覆: 1

2008-05-19 1:40 am

About buffer solution in chemistry

[匿名]

回覆: 1

2008-05-19 12:46 am

十萬火急的化學題.2

Chun Yin

回覆: 2

2008-05-18 1:25 am

About ELECTROLYSIS

用戶197487

回覆: 1

2008-05-18 1:15 am

science

beebi

回覆: 2

2008-05-17 9:49 pm

(Chem) 關於mole的問題

用戶90065

回覆: 2

2008-05-17 11:42 pm

chem (F.4)

[匿名]

回覆: 3

2008-05-18 12:09 am

hybirdization states of some compounds

大人

回覆: 2

2008-05-17 3:42 am

lone pair of electron 既問題

[匿名]

回覆: 2

2008-05-16 5:18 pm

CHEM功課問題

[匿名]

回覆: 1

2008-05-16 8:31 am

acid base equilibrium

[匿名]

回覆: 1

2008-05-16 8:23 am

acid base equilicrium(focus on assumption problem)

大人

回覆: 2

2008-05-16 2:46 am

covalent bond 問題..................

[匿名]

回覆: 2

2008-05-13 7:26 am

calculation

用戶84541

回覆: 2

2008-05-12 4:47 pm

急.I.S科物距,像距和焦距之間有何數學上的關係

[匿名]

回覆: 1

2008-05-12 8:53 pm

Analysis of Titration (20 points!!!)

[匿名]

回覆: 1

2008-05-13 12:55 am

equilibrium

琪﹏*`

回覆: 2

2008-05-11 11:15 pm

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