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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.

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Last post by bluebunny2020
in d orbital splitting
on March 09, 2020, 03:55:59 PM

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Highschool chemistry

Started by Davidsigalaa | Last post by Meter May 30, 2020, 09:17:38 AM

2 Replies
155 Views
Last post May 30, 2020, 09:17:38 AM
by Meter
high school chemistry

Started by wildflxrr | Last post by sjb May 30, 2020, 03:34:13 AM

1 Replies
78 Views
Last post May 30, 2020, 03:34:13 AM
by sjb
What is the formula to read pressure from Recknagel manometer?

Started by wwyhaerty | Last post by MNIO May 27, 2020, 03:15:42 AM

1 Replies
110 Views
Last post May 27, 2020, 03:15:42 AM
by MNIO
What is mass?

Started by Valevalerio | Last post by MNIO May 26, 2020, 10:47:33 PM

1 Replies
98 Views
Last post May 26, 2020, 10:47:33 PM
by MNIO
Molarity

Started by Rexosaurus | Last post by MNIO May 26, 2020, 01:42:40 AM

3 Replies
152 Views
Last post May 26, 2020, 01:42:40 AM
by MNIO
Reaction between Citric Acid and Lawsone (Henna)

Started by baba123 | Last post by akiha11 May 25, 2020, 11:11:19 AM

11 Replies
4061 Views
Last post May 25, 2020, 11:11:19 AM
by akiha11
mass fraction and dilution

Started by onkodat12 | Last post by Borek May 25, 2020, 06:34:27 AM

2 Replies
106 Views
Last post May 25, 2020, 06:34:27 AM
by Borek
Heat of formation/enthalpy

Started by pogtown | Last post by mjc123 May 23, 2020, 06:18:30 PM

1 Replies
111 Views
Last post May 23, 2020, 06:18:30 PM
by mjc123
Physics and Chemistry Homework for Exam Recovery

Started by paco050 | Last post by chenbeier May 23, 2020, 07:08:04 AM

2 Replies
120 Views
Last post May 23, 2020, 07:08:04 AM
by chenbeier
Polyethylene terephthalate chemical properties

Started by Jonas Andersson | Last post by pm133 May 22, 2020, 05:56:47 PM

2 Replies
147 Views
Last post May 22, 2020, 05:56:47 PM
by pm133
Help on a solubility problem

Started by Ben McCloud | Last post by chenbeier May 22, 2020, 04:07:44 PM

1 Replies
110 Views
Last post May 22, 2020, 04:07:44 PM
by chenbeier
Help Urgently needed with Molarity/Dilutions/Solution Stoichiometry

Started by greenfieldhelp | Last post by AWK May 22, 2020, 11:03:26 AM

1 Replies
126 Views
Last post May 22, 2020, 11:03:26 AM
by AWK
Free energy

Started by Rawezh | Last post by Rawezh May 21, 2020, 12:28:06 PM

2 Replies
135 Views
Last post May 21, 2020, 12:28:06 PM
by Rawezh
Gas Laws Chemistry Problem

Started by Dallas27! | Last post by billnotgatez May 21, 2020, 12:43:02 AM

1 Replies
110 Views
Last post May 21, 2020, 12:43:02 AM
by billnotgatez
gas laws and energy calculations

Started by KisaP | Last post by billnotgatez May 21, 2020, 12:40:10 AM

1 Replies
98 Views
Last post May 21, 2020, 12:40:10 AM
by billnotgatez
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