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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.

768 Posts
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Last post by Borek
in MOVED: Grignard reagent ...
on July 29, 2020, 02:53:09 AM

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2 Replies
58 Views
Last post Today at 02:38:47 PM
by HailVelkekia
23 Replies
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Last post Today at 10:49:18 AM
by chenbeier
0 Replies
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Last post Yesterday at 05:13:48 PM
by confusedhighschoolstudent
Can anyone explain The law of multiple proportions?

Started by HailVelkekia | Last post by HailVelkekia Yesterday at 12:25:06 PM

2 Replies
84 Views
Last post Yesterday at 12:25:06 PM
by HailVelkekia
Back Titration Question

Started by S_100 | Last post by chenbeier September 25, 2020, 01:07:08 PM

1 Replies
92 Views
Last post September 25, 2020, 01:07:08 PM
by chenbeier
Chemical reactions

Started by user72345 | Last post by Borek September 24, 2020, 05:54:23 PM

1 Replies
97 Views
Last post September 24, 2020, 05:54:23 PM
by Borek
I have no idea how to work out this question?

Started by badatmath1996 | Last post by badatmath1996 September 23, 2020, 02:42:40 PM

4 Replies
139 Views
Last post September 23, 2020, 02:42:40 PM
by badatmath1996
Thermo Chem

Started by paytmisop | Last post by DrCMS September 22, 2020, 05:47:16 AM

6 Replies
265 Views
Last post September 22, 2020, 05:47:16 AM
by DrCMS
why can't water dissolve more NaCl after a certain point?

Started by Nitram2004 | Last post by Enthalpy September 21, 2020, 01:46:17 PM

4 Replies
193 Views
Last post September 21, 2020, 01:46:17 PM
by Enthalpy
Question about hydrogen bonds

Started by ec123 | Last post by billnotgatez September 20, 2020, 10:53:38 PM

1 Replies
111 Views
Last post September 20, 2020, 10:53:38 PM
by billnotgatez
Converting chemical names to equations

Started by ash freywar | Last post by chenbeier September 18, 2020, 10:34:16 AM

9 Replies
415 Views
Last post September 18, 2020, 10:34:16 AM
by chenbeier
Budget Hot Plate Stirrer?

Started by melon_ | Last post by melon_ September 17, 2020, 08:15:26 AM

2 Replies
160 Views
Last post September 17, 2020, 08:15:26 AM
by melon_
lewisstructure

Started by Timson28 | Last post by AWK September 16, 2020, 08:49:18 AM

1 Replies
150 Views
Last post September 16, 2020, 08:49:18 AM
by AWK
Octet rule in N2O

Started by Lachgas | Last post by Enthalpy September 16, 2020, 04:44:55 AM

4 Replies
192 Views
Last post September 16, 2020, 04:44:55 AM
by Enthalpy
why does hot water dissolve more salt the cold water?

Started by Nitram2004 | Last post by Krynvel September 15, 2020, 02:46:48 PM

4 Replies
242 Views
Last post September 15, 2020, 02:46:48 PM
by Krynvel
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