Uncle Michael

世鴻

回覆: 1

2008-10-13 2:16 am

蛋白質是由碳、氫、氧、氮組成,為何壞蛋會有二氧化硫?

世鴻

回覆: 4

2008-10-13 2:01 am

酒精的化學式是什麼?

[匿名]

回覆: 1

2008-10-13 1:30 am

Statistics

vsharen88

回覆: 1

2008-10-13 12:46 am

How to find general term?

[匿名]

回覆: 2

2008-10-12 11:31 pm

功課問題;? [數學] ( 急x100)

[匿名]

回覆: 1

2008-10-12 10:32 pm

(((20點!!!急求救))求M和N的坐標

KK

回覆: 1

2008-10-12 7:58 pm

Geometric sequence question

KK

回覆: 1

2008-10-12 7:59 pm

Geometric sequence question

KK

回覆: 1

2008-10-12 8:01 pm

Geometric sequence question

[匿名]

回覆: 3

2008-10-12 5:34 pm

maths

用戶8289

回覆: 2

2008-10-12 5:36 am

將HCl (氣體) 通入硫酸.......

樂其行

回覆: 4

2008-10-11 11:46 pm

Maths probability

Winnie

回覆: 2

2008-10-11 10:04 pm

math hw meet diffictly ,anyone can help me ar!

[匿名]

回覆: 2

2008-10-11 11:08 pm

<趕`後日交`40 marks> 各位知識朋友 , 入黎幫我手 ar !!! ( 數學F.2 ) (2)

Derek

回覆: 1

2008-10-11 10:02 pm

Form 4 A-Maths(好難呀!高手請入) 40分

用戶152088

回覆: 2

2008-10-11 9:22 pm

Difference between substance and element

小k*

回覆: 4

2008-10-11 9:10 pm

two easy maths!!

靚靚

回覆: 1

2008-10-11 8:06 pm

chemistry mc(need detail explanation)

[匿名]

回覆: 2

2008-10-11 6:14 am

把紅熱的木炭插入盛有氧氣集氣瓶時,為甚麼應該由上向下,緩慢插入?

世鴻

回覆: 3

2008-10-11 3:24 pm

石油是由什麼元素組成?

世鴻

回覆: 2

2008-10-11 3:28 pm

氦氣是怎樣製造的?

Fiona

回覆: 1

2008-10-11 9:16 am

唔識搵 general terms, 救命, maths

[匿名]

回覆: 3

2008-10-11 4:50 am

(急)續百分法題目 20分

[匿名]

回覆: 2

2008-10-11 8:43 am

為甚麼氮測試不到??

用戶20473

回覆: 3

2008-10-11 6:32 am

氯漂白劑與稀酸既反應20分...唔該大家

Gossip Girl

回覆: 1

2008-10-10 8:09 pm

Summing a sequence

Suki

回覆: 1

2008-10-10 3:26 pm

Applied Maths. (ask a question or 50% to unfortunate end.??)

[匿名]

回覆: 1

2008-10-10 6:45 pm

AL Chem F.6 titration(Na2S2O3)

Samuel Chan

回覆: 2

2008-10-10 6:15 pm

數學 百分比

用戶53413

回覆: 1

2008-10-10 9:00 am

Polynomials=]]

[匿名]

回覆: 2

2008-10-10 6:15 am

水加糖:about scientific investtigation(急!!)

[匿名]

回覆: 1

2008-10-10 6:03 am

about Amath

[匿名]

回覆: 1

2008-10-10 1:55 am

[化學]有D化學問題...點做同唔該解釋俾我睇下丫....20PPT

[匿名]

回覆: 1

2008-10-10 12:16 am

maths for f.2

[匿名]

回覆: 1

2008-10-09 1:22 am

簡單數學題

Star

回覆: 1

2008-10-08 10:44 pm

有少少AL CHEM問題想請教大家(20分)

Edmond

回覆: 3

2008-10-08 8:30 pm

一kg=幾多斤

kkmok

回覆: 2

2008-10-08 8:00 pm

proving 問題

Ayu

回覆: 1

2008-10-08 5:55 am

the pascal's triangle

用戶199746

回覆: 1

2008-10-08 4:49 am

Phy heat question

用戶137465

回覆: 3

2008-10-08 3:08 am

化學滴定漂白水樣本加入稀硫酸的作用????

[匿名]

回覆: 1

2008-10-08 6:48 am

Quadratic equation

[匿名]

回覆: 1

2008-10-08 6:15 am

A.maths Binomial Theorem

Kammy

回覆: 1

2008-10-08 5:36 am

20點******急!!!!!!!!!數學Number and Algebra!!!!!come in!!!*****

Winnie

回覆: 1

2008-10-07 10:16 pm

math hw, have anyone help me ar

EE Guy

回覆: 1

2008-10-06 3:17 pm

Chemical Bonding Question

2003

回覆: 1

2008-10-07 3:28 am

haloalkane2

Jessica

回覆: 2

2008-10-07 4:37 am

F5 chem

[匿名]

回覆: 1

2008-10-07 5:03 am

[AL chem ]across a period,screening effect會增加/減少/不變?

Yvonne

回覆: 2

2008-10-07 8:26 am

F.1既1題數,趕住做hw...請入!!!(10分)