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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 wildfyr December 31, 2018, 02:39:30 PM

3 Replies
65916 Views
Last post December 31, 2018, 02:39:30 PM
by wildfyr
Oxygen dip in ionization energy why?

Started by sd79812 | Last post by sd79812 May 23, 2024, 11:46:54 PM

0 Replies
285 Views
Last post May 23, 2024, 11:46:54 PM
by sd79812
cm vs cv (adiabatic equation)

Started by physikkk2 | Last post by mjc123 May 26, 2024, 02:50:00 PM

2 Replies
498 Views
Last post May 26, 2024, 02:50:00 PM
by mjc123
1 Replies
579 Views
Last post May 20, 2024, 12:03:36 PM
by Corribus
Can one functional group be part of another?

Started by thatcrazycow | Last post by sjb September 15, 2020, 12:53:34 PM

2 Replies
736 Views
Last post September 15, 2020, 12:53:34 PM
by sjb
Equilibrium

Started by kathhhriine | Last post by AWK December 16, 2020, 09:23:33 AM

1 Replies
736 Views
Last post December 16, 2020, 09:23:33 AM
by AWK
I got rid of my needed product in lab

Started by gracek | Last post by Corribus September 02, 2020, 12:15:23 PM

1 Replies
740 Views
Last post September 02, 2020, 12:15:23 PM
by Corribus
Calculate concentration ratio

Started by Bushiobrao | Last post by Borek March 18, 2021, 04:15:38 AM

1 Replies
740 Views
Last post March 18, 2021, 04:15:38 AM
by Borek
Interpreting uv-vis spectra

Started by Timu | Last post by Timu March 11, 2021, 11:06:10 AM

0 Replies
741 Views
Last post March 11, 2021, 11:06:10 AM
by Timu
Proper Bake-out Method for New Heating Mantle

Started by Mr. Deeds | Last post by Mr. Deeds February 06, 2020, 10:24:39 PM

0 Replies
742 Views
Last post February 06, 2020, 10:24:39 PM
by Mr. Deeds
Help with chemistry!?

Started by CLARISSAG | Last post by Borek October 08, 2020, 03:13:06 AM

1 Replies
742 Views
Last post October 08, 2020, 03:13:06 AM
by Borek
Acids and bases calculations

Started by Haztik | Last post by Borek October 11, 2020, 03:29:52 AM

1 Replies
742 Views
Last post October 11, 2020, 03:29:52 AM
by Borek
Partition Chromatography Question

Started by Calcium1808 | Last post by Calcium1808 April 27, 2020, 08:27:37 AM

0 Replies
743 Views
Last post April 27, 2020, 08:27:37 AM
by Calcium1808
Energy calculations

Started by AmCoop97 | Last post by Borek April 29, 2020, 03:31:19 AM

1 Replies
743 Views
Last post April 29, 2020, 03:31:19 AM
by Borek
Change of OH concentration in water when base salt is added

Started by gazeem | Last post by Borek June 09, 2020, 03:11:50 AM

1 Replies
743 Views
Last post June 09, 2020, 03:11:50 AM
by Borek
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