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Chemistry Olympiad and other competitions

Preparing to Chemistry Olympiad or any other competition? That's the place to ask your question.

739 Posts
113 Topics

Last post by mjc123
in Re: NO2 problem
on May 03, 2019, 07:55:23 AM

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Photo Chemsitry

Started by AlphaMNKY | Last post by Corribus Yesterday at 03:37:24 PM

2 Replies
177 Views
Last post Yesterday at 03:37:24 PM
by Corribus
Need help on a essay

Started by Derrick6109 | Last post by Enthalpy June 18, 2019, 06:35:47 AM

2 Replies
134 Views
Last post June 18, 2019, 06:35:47 AM
by Enthalpy
Gibb's Free Energy and Equilibrium Constant Relation

Started by person1234 | Last post by David Tan June 17, 2019, 08:38:01 AM

8 Replies
305 Views
Last post June 17, 2019, 08:38:01 AM
by David Tan
Ammonia + Bleach

Started by Neoxra | Last post by Enthalpy June 17, 2019, 04:23:04 AM

4 Replies
177 Views
Last post June 17, 2019, 04:23:04 AM
by Enthalpy
I NEED HELP BAD! Lewis Dot Structure C4H6O2

Started by nickm1080 | Last post by AWK June 17, 2019, 12:47:08 AM

1 Replies
88 Views
Last post June 17, 2019, 12:47:08 AM
by AWK
Determine concentration of acid based on volumes of solution

Started by batson2002 | Last post by David Tan June 14, 2019, 05:04:50 PM

6 Replies
219 Views
Last post June 14, 2019, 05:04:50 PM
by David Tan
Concentrating Hydrogen Peroxide

Started by Noah517 | Last post by David Tan June 14, 2019, 04:58:18 PM

6 Replies
266 Views
Last post June 14, 2019, 04:58:18 PM
by David Tan
Balancing chemical equation FeCl3 + P = FeCl3(PO4)2

Started by Wurstie | Last post by David Tan June 14, 2019, 04:21:39 PM

4 Replies
178 Views
Last post June 14, 2019, 04:21:39 PM
by David Tan
Is quartz a silica atom bound to three or four oxygen atoms:

Started by galpinj | Last post by David Tan June 14, 2019, 04:17:31 PM

5 Replies
216 Views
Last post June 14, 2019, 04:17:31 PM
by David Tan
Didn’t really pay attention in chem and I need help

Started by noobyjustin | Last post by David Tan June 14, 2019, 04:01:52 PM

1 Replies
101 Views
Last post June 14, 2019, 04:01:52 PM
by David Tan
If 3.75 x 10^24 atoms of hydrogen...

Started by kail.hoodi | Last post by Borek June 12, 2019, 03:19:06 AM

8 Replies
372 Views
Last post June 12, 2019, 03:19:06 AM
by Borek
Empirical formula and molecular equation questions

Started by cloudy1290 | Last post by cloudy1290 June 09, 2019, 07:20:47 AM

2 Replies
177 Views
Last post June 09, 2019, 07:20:47 AM
by cloudy1290
How to tackle a chemical problem?

Started by shrinivasan | Last post by mjc123 June 04, 2019, 07:14:00 AM

3 Replies
214 Views
Last post June 04, 2019, 07:14:00 AM
by mjc123
How can a student remember about the observation

Started by shrinivasan | Last post by shrinivasan June 04, 2019, 04:51:02 AM

2 Replies
175 Views
Last post June 04, 2019, 04:51:02 AM
by shrinivasan
Ideal gas equation

Started by Wanderlusion | Last post by Corribus June 03, 2019, 01:42:41 PM

1 Replies
160 Views
Last post June 03, 2019, 01:42:41 PM
by Corribus
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