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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
63864 Views
Last post December 31, 2018, 02:39:30 PM
by wildfyr
De-Broglie Energy questions

Started by tinypeach | Last post by Corribus April 16, 2024, 12:36:48 PM

1 Replies
132 Views
Last post April 16, 2024, 12:36:48 PM
by Corribus
3 Replies
225 Views
Last post April 13, 2024, 11:34:51 AM
by Suspicious_boat_5926
I need to find flask weight. Instructions unclear to me.

Started by Suspicious_boat_5926 | Last post by Borek April 11, 2024, 03:16:31 AM

7 Replies
479 Views
Last post April 11, 2024, 03:16:31 AM
by Borek
Reverse Diffusion Demonstration

Started by S_Ch_S « 1 2 » | Last post by S_Ch_S April 11, 2024, 03:15:45 AM

23 Replies
1213 Views
Last post April 11, 2024, 03:15:45 AM
by S_Ch_S
Mole Fraction and average molar mass

Started by jay11245 | Last post by Hunter2 April 10, 2024, 12:42:41 PM

7 Replies
339 Views
Last post April 10, 2024, 12:42:41 PM
by Hunter2
Sélective reaction on the 2,3 époxycyclopentanone

Started by guuuu | Last post by guuuu April 08, 2024, 01:18:02 PM

0 Replies
177 Views
Last post April 08, 2024, 01:18:02 PM
by guuuu
IUPAC/Compound Labeling Comprehension Check Request

Started by keyag | Last post by Hunter2 April 08, 2024, 02:44:47 AM

3 Replies
358 Views
Last post April 08, 2024, 02:44:47 AM
by Hunter2
Electrochemistry Homework Answers Check Request

Started by keyag | Last post by keyag April 06, 2024, 07:37:23 PM

6 Replies
671 Views
Last post April 06, 2024, 07:37:23 PM
by keyag
Does acidity increase or decrease as you go down a group?

Started by jj940901 | Last post by jj940901 March 30, 2024, 06:39:21 PM

2 Replies
305 Views
Last post March 30, 2024, 06:39:21 PM
by jj940901
pH/Henderson–Hasselbalch Calculation Check Request

Started by keyag | Last post by keyag March 30, 2024, 04:42:08 PM

2 Replies
848 Views
Last post March 30, 2024, 04:42:08 PM
by keyag
Confused on how to calculate ammonium phosphate buffer molarity

Started by quddit32 « 1 2 » | Last post by Borek March 19, 2024, 09:06:41 AM

17 Replies
1025 Views
Last post March 19, 2024, 09:06:41 AM
by Borek
Determination of iron by thiocyanate colorimetry

Started by taa.10 | Last post by Hunter2 March 17, 2024, 10:47:33 AM

6 Replies
631 Views
Last post March 17, 2024, 10:47:33 AM
by Hunter2
Weak Acid-Strong Base Neutralization

Started by rentj | Last post by mjc123 March 06, 2024, 04:49:39 PM

2 Replies
612 Views
Last post March 06, 2024, 04:49:39 PM
by mjc123
Cu2O Unit Cell

Started by jgr | Last post by mjc123 March 04, 2024, 05:08:52 PM

3 Replies
687 Views
Last post March 04, 2024, 05:08:52 PM
by mjc123
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