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Problem of the Week Archive

Collection of all our problem of the week threads.

668 Posts
58 Topics

Last post by Borek
in Re: Chemistry
on October 12, 2019, 04:03:28 AM

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Stoichiometry calculator

Started by Borek | Last post by Borek October 05, 2024, 01:43:18 PM

7 Replies
73355 Views
Last post October 05, 2024, 01:43:18 PM
by Borek
Glucose identification

Started by mana | Last post by mana Yesterday at 11:42:56 AM

0 Replies
48 Views
Last post Yesterday at 11:42:56 AM
by mana
Help with chemistry and empirical formulas

Started by Katerinne | Last post by kopukza1 Yesterday at 09:15:58 AM

2 Replies
3089 Views
Last post Yesterday at 09:15:58 AM
by kopukza1
Question about solubility

Started by fexaac | Last post by mjc123 November 07, 2024, 04:19:30 PM

2 Replies
182 Views
Last post November 07, 2024, 04:19:30 PM
by mjc123
CoCl5 3- hybridization and shape

Started by Bias Binte Kamal | Last post by Bias Binte Kamal November 04, 2024, 04:24:42 AM

3 Replies
374 Views
Last post November 04, 2024, 04:24:42 AM
by Bias Binte Kamal
Gas Concentration in a container

Started by RomanKatz | Last post by RomanKatz November 04, 2024, 04:02:47 AM

0 Replies
129 Views
Last post November 04, 2024, 04:02:47 AM
by RomanKatz
benedict test

Started by sisara | Last post by sisara November 04, 2024, 12:56:22 AM

0 Replies
153 Views
Last post November 04, 2024, 12:56:22 AM
by sisara
Rate of reaction from only the absorbance change over time.

Started by kuberr | Last post by Babcock_Hall October 27, 2024, 02:15:50 PM

5 Replies
1283 Views
Last post October 27, 2024, 02:15:50 PM
by Babcock_Hall
Molecular Electron Configuration

Started by eding | Last post by Corribus October 18, 2024, 10:03:40 AM

1 Replies
2497 Views
Last post October 18, 2024, 10:03:40 AM
by Corribus
pls help

Started by eispojreiajrpo | Last post by Borek October 05, 2024, 05:28:48 PM

1 Replies
3259 Views
Last post October 05, 2024, 05:28:48 PM
by Borek
Calorimetry in Thermochemistry

Started by Kilojoule.kJ | Last post by Borek October 05, 2024, 09:51:14 AM

2 Replies
2994 Views
Last post October 05, 2024, 09:51:14 AM
by Borek
need help in my diy fire gel experiment

Started by micro97 | Last post by Borek September 30, 2024, 12:11:45 PM

1 Replies
3255 Views
Last post September 30, 2024, 12:11:45 PM
by Borek
What can go into the equilibrium constant expression?

Started by Santiago_1989 | Last post by Borek September 22, 2024, 10:54:57 AM

2 Replies
3604 Views
Last post September 22, 2024, 10:54:57 AM
by Borek
Non-significant digit rounding

Started by tk9 | Last post by Borek September 21, 2024, 05:09:53 PM

2 Replies
3310 Views
Last post September 21, 2024, 05:09:53 PM
by Borek
Question on the NO2/N2O4 equilibrium

Started by czmtzyddl | Last post by Borek September 19, 2024, 02:52:16 AM

6 Replies
3508 Views
Last post September 19, 2024, 02:52:16 AM
by Borek
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