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why the energy of sigma bond (C-C) follows this sequence?
Can't believe they still keep my account after 16 years. Basically, the answer is that in acetylene ...		 2-7-2020 at 17:37
by: ilwdx
best insulator
why it's said that the best insulator could be found in the rare gas group?

what's the ...		 31-7-2004 at 03:26
by: ilwdx
I agree, however I cannot think of a more convincing one
It is free-response question of AP test 		21-6-2004 at 20:51
by: ilwdx
why the energy of sigma bond (C-C) follows this sequence?
[quote][i]Originally posted by Chemtastic[/i]
Are you asking why a triple bond possesses more energ ...		 20-6-2004 at 04:56
by: ilwdx
why the energy of sigma bond (C-C) follows this sequence?
CHCH higher than CH2=CH2 higher than CH3-CH3?

[Edited on 20-6-2004 by ilwdx] 		19-6-2004 at 20:09
by: ilwdx
How about Davy's method to get Sodium~?
Make the NaOH a little wet inorderto to conduct electricity, and put single-direct electricity throu ...		 16-6-2004 at 04:36
by: ilwdx
The space occupied ratio of Hexgonal close Packing crystal cell in metal
the textbook said it is 74.05% but I got 73.15%.

anyone knows how it is worked out?

[Edited on 1 ...		 10-6-2004 at 04:29
by: ilwdx
Soda and NaOH
[quote][i]Originally posted by darkflame89[/i]
But due to equilibrium, hydrolysis can only occur to ...		 30-5-2004 at 21:00
by: ilwdx
Organic Chemistry Lab on Ebay
[quote][i]Originally posted by Cyrus[/i]
Just thought I'd let you all know, if anyone is inter ...		 30-5-2004 at 03:57
by: ilwdx
why it can't happen?
[quote][i]Originally posted by unionised[/i]
The decomposition of sodium carbonate to CO2 and NaOH ...		 30-5-2004 at 00:46
by: ilwdx
Colurs
[quote][i]Originally posted by rogue chemist[/i]
A quick Google turned this up.
http://encyclopedi ...		 22-5-2004 at 02:47
by: ilwdx
Sorry~ , I didn't speak clearly
What I actually want to ask is that when explain "why the Ox ablity of Cr6+ increases while the ...		 22-5-2004 at 02:35
by: ilwdx
Using the Nernst Equation:
for the reaction:

Cr2O7 2-, H+, e ---> Cr3+, H20

Why the [H+] is in the Nernst Equation?
I ...		 16-5-2004 at 02:11
by: ilwdx
how the inverse reaction could happen while the original reaction is happening from the view of thermodynamics?
I've reached an understanding:

1. C absorbs energy from A + B-> (or from the environment) ...		 24-4-2004 at 20:44
by: ilwdx
how the inverse reaction could happen while the original reaction is happening from the view of thermodynamics?
[quote][i]Originally posted by Proteios[/i]
hmmm lets try again.

Reactions with +ve DGs dont hap ...		 17-4-2004 at 10:42
by: ilwdx
how the inverse reaction could happen while the original reaction is happening from the view of thermodynamics?
[quote][i]Originally posted by vulture[/i]
DG = - RT ln K at the equilibrium point.

If you calc ...		 17-4-2004 at 07:36
by: ilwdx
how the inverse reaction could happen while the original reaction is happening from the view of thermodynamics?
for a equilibrium like

A + B = C DG=-33kj/mol
so the inverse reaction
C = A + B DG= 33kj/mol
...		 17-4-2004 at 06:01
by: ilwdx

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