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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 sjb
in Re: National Chemistry O...
on March 12, 2019, 03:04:35 AM

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SRP Experiment Ideas

Started by zainab | Last post by zainab Yesterday at 11:55:05 PM

0 Replies
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Last post Yesterday at 11:55:05 PM
by zainab
Acid/Base similar to Redox?

Started by mayple | Last post by mayple Yesterday at 03:42:53 PM

3 Replies
181 Views
Last post Yesterday at 03:42:53 PM
by mayple
which 0.1M solution is colourless?

Started by helenee | Last post by mjc123 April 20, 2019, 05:20:51 PM

2 Replies
133 Views
Last post April 20, 2019, 05:20:51 PM
by mjc123
Why only one peak in NMR-spectra? (butane-2,3-diol)

Started by kensher | Last post by kensher April 20, 2019, 04:54:21 PM

5 Replies
163 Views
Last post April 20, 2019, 04:54:21 PM
by kensher
SAT II Chem

Started by holamynameisbob6 | Last post by Corribus April 20, 2019, 11:15:07 AM

2 Replies
105 Views
Last post April 20, 2019, 11:15:07 AM
by Corribus
Difference in Reactivity of functional groups

Started by Organic Compound | Last post by Borek April 19, 2019, 03:47:10 PM

1 Replies
82 Views
Last post April 19, 2019, 03:47:10 PM
by Borek
Endothermic Reaction

Started by NiceAesthetics | Last post by Borek April 19, 2019, 03:00:50 PM

1 Replies
70 Views
Last post April 19, 2019, 03:00:50 PM
by Borek
Which of the following salts is least soluble in water?

Started by helenee | Last post by AWK April 19, 2019, 01:34:32 PM

4 Replies
144 Views
Last post April 19, 2019, 01:34:32 PM
by AWK
five identical rigid vessels filled with N2(g)

Started by helenee | Last post by chenbeier April 19, 2019, 10:44:47 AM

1 Replies
84 Views
Last post April 19, 2019, 10:44:47 AM
by chenbeier
why is this statement wrong?

Started by helenee | Last post by chenbeier April 19, 2019, 06:59:56 AM

3 Replies
110 Views
Last post April 19, 2019, 06:59:56 AM
by chenbeier
calorimeter problem — why is the answer negative?

Started by helenee | Last post by Borek April 19, 2019, 06:43:32 AM

5 Replies
118 Views
Last post April 19, 2019, 06:43:32 AM
by Borek
Chemical Cycles

Started by Billy30 | Last post by Billy30 April 18, 2019, 03:03:53 PM

0 Replies
103 Views
Last post April 18, 2019, 03:03:53 PM
by Billy30
Question about salt bridges

Started by JoeB | Last post by JoeB April 17, 2019, 11:55:55 AM

4 Replies
171 Views
Last post April 17, 2019, 11:55:55 AM
by JoeB
Determination of purity of aspirin

Started by GunnarismCultist | Last post by GunnarismCultist April 16, 2019, 08:44:27 AM

0 Replies
77 Views
Last post April 16, 2019, 08:44:27 AM
by GunnarismCultist
which cell diagram represents a galvanic cell

Started by helenee | Last post by mjc123 April 15, 2019, 02:52:28 PM

2 Replies
126 Views
Last post April 15, 2019, 02:52:28 PM
by mjc123
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