Uncle Michael

pokyin

回覆: 1

2008-07-05 10:26 pm

我有一條數學題唔係太識做 有冇人可以教下我呢 ?????????

Edward

回覆: 2

2008-07-04 12:53 am

中二數學一問(不是求答案)

用戶209290

回覆: 1

2008-07-03 3:44 am

phsics question

[匿名]

回覆: 1

2008-07-03 2:06 am

F6 Chemistry about mass spectrometry

A student

回覆: 2

2008-07-02 3:27 am

What solvents dissolve limoene

用戶36732

回覆: 3

2008-07-02 1:57 am

F.2 / F.3 Maths about factorization (15X2=30)

用戶7821

回覆: 1

2008-06-29 1:42 am

化學習題 (15 points)

用戶232920

回覆: 1

2008-06-28 12:49 pm

數學問題 4 條????

ws

回覆: 2

2008-06-28 7:13 am

F.4 化學 搵實驗式 (10分)

Yiu Keung

回覆: 1

2008-06-27 6:58 pm

化學 Lab Report 幾個 問題( observation).....急急

ws

回覆: 2

2008-06-27 7:29 am

F.4 化學 酸式鹽 甚麼酸式鹽溶於水會產生鹼性溶液? (15分)

[匿名]

回覆: 1

2008-06-27 2:41 am

0.1809M 的 NaHCO3 的 pH 值是多少？

用戶99360

回覆: 3

2008-06-26 10:03 pm

請數學高手及推理高手進來~小弟有事相求!

[匿名]

回覆: 3

2008-06-17 3:55 am

IS 科學 急!!!!

SIU WANG

回覆: 2

2008-06-26 3:23 am

肥皂的製造方法?用化學原理解答？plz

多啦A夢

回覆: 1

2008-06-26 5:23 am

計molecular formula ....唔該＝〕

2003

回覆: 1

2008-06-25 10:46 pm

partial pressure

MH

回覆: 1

2008-06-25 3:11 am

Acids and Bases

Shun Wa

回覆: 1

2008-06-24 5:40 pm

松節水是不是丙酮 ?

jonathan

回覆: 1

2008-06-23 12:04 am

chemical equilibrium

大人

回覆: 2

2008-06-22 5:06 am

molecule既問題...................

[匿名]

回覆: 1

2008-06-21 6:14 pm

chemistry 問題

大人

回覆: 2

2008-06-21 7:37 pm

covalent compound問題

魏王將張遼

回覆: 6

2008-06-20 6:29 am

興趣 Integral 之 2

用戶236177

回覆: 3

2008-06-20 5:30 am

急!!!中二數學!請數學的高手回答,温exam用的!!thx!!

[匿名]

回覆: 1

2008-06-19 7:25 pm

請問 enzyme (tryptophan hydroxylase)是什麼??

Ellen

回覆: 2

2008-06-17 5:28 am

Locus problems

[匿名]

回覆: 1

2008-06-16 8:47 am

石油氣重定係煤氣重

[匿名]

回覆: 2

2008-06-15 5:54 pm

reaction between base and acid

Paklong

回覆: 1

2008-06-17 1:39 am

About carbon dioxide and carbon monoxide

2003

回覆: 2

2008-06-17 12:13 am

hybridization

2003

回覆: 2

2008-06-17 12:14 am

exothermic

[匿名]

回覆: 1

2008-06-16 2:27 am

3 Mole Problems

andy

回覆: 2

2008-06-16 1:42 am

(tan54)^2 點計??

放 rakion acc

回覆: 2

2008-06-16 12:20 am

chem 問題 緊急！ 後天 exam 答中全取 20 分

[匿名]

回覆: 3

2008-06-16 12:22 am

CE Question

[匿名]

回覆: 1

2008-06-15 11:20 pm

CE Question

[匿名]

回覆: 2

2008-06-15 11:08 pm

chem equation

[匿名]

回覆: 1

2008-06-15 9:35 pm

中四化學 計溶液濃度

123

回覆: 2

2008-06-15 7:54 pm

Maths!!!

Anita

回覆: 2

2008-06-15 5:42 pm

Titration + dilution calculation~HELP

manman1958

回覆: 1

2008-06-15 7:58 am

化學mole 計算

Mabel

回覆: 2

2008-06-15 6:44 am

chemistry - titrating

[匿名]

回覆: 1

2008-06-15 3:57 am

CHEM數求救!!!(20分)

用戶205586

回覆: 1

2008-06-15 6:52 am

Two Questions on Form 4 Chemistry (about pH)

[匿名]

回覆: 2

2008-06-15 3:58 am

CHEM數求救!!!(20分)

SAM

回覆: 1

2008-06-15 3:20 am

electrolysis

c

回覆: 1

2008-06-15 1:27 am

chemistry

用戶237002

回覆: 1

2008-06-15 1:01 am

why natural indicators can test for acid and alkali?

大人

回覆: 2

2008-06-15 12:24 am

transition metals 既問題..................