March 28, 2020, 08:15:58 AM
Forum Rules: Read This Before Posting


Child Boards

Problem of the Week Archive

Collection of all our problem of the week threads.

670 Posts
59 Topics

Last post by wildfyr
in MOVED: Synthesis of N-Ac...
on January 04, 2020, 11:44:41 AM

Subject / Started by Last post
0 Members and 46 Guests are viewing this board.
Stoichiometry calculator

Started by Borek | Last post by ClassicArabians Today at 04:57:38 AM

4 Replies
36528 Views
Last post Today at 04:57:38 AM
by ClassicArabians
MOVED: Chemistry of Guitar

Started by Borek | Last post by Borek March 26, 2020, 10:58:24 AM

0 Replies
38 Views
Last post March 26, 2020, 10:58:24 AM
by Borek
Michaelis-Menton kinetic model of catalysis

Started by amand79 | Last post by Babcock_Hall March 25, 2020, 08:14:47 AM

1 Replies
84 Views
Last post March 25, 2020, 08:14:47 AM
by Babcock_Hall
What is (roughy) the triple point of bile acid ?

Started by walidou47 | Last post by walidou47 March 14, 2020, 11:15:42 AM

0 Replies
86 Views
Last post March 14, 2020, 11:15:42 AM
by walidou47
Levothyroxine

Started by Circuits | Last post by Borek March 22, 2020, 03:29:25 PM

1 Replies
86 Views
Last post March 22, 2020, 03:29:25 PM
by Borek
MOVED: Help Solving Conversion Problems

Started by sjb | Last post by sjb March 15, 2020, 04:24:19 AM

0 Replies
87 Views
Last post March 15, 2020, 04:24:19 AM
by sjb
MOVED: Tried a homemade experiment, not sure what happened

Started by billnotgatez | Last post by billnotgatez March 08, 2020, 09:09:54 PM

0 Replies
95 Views
Last post March 08, 2020, 09:09:54 PM
by billnotgatez
Basic question re. h2o2 "4/C"

Started by JoJo108 | Last post by Enthalpy March 26, 2020, 07:08:09 AM

2 Replies
95 Views
Last post March 26, 2020, 07:08:09 AM
by Enthalpy
Chemistry Help needed for a student in isolation (UK)

Started by Hoobada | Last post by Hoobada March 25, 2020, 08:41:58 AM

2 Replies
97 Views
Last post March 25, 2020, 08:41:58 AM
by Hoobada
MOVED: How to post a picture?

Started by Borek | Last post by Borek February 04, 2020, 02:56:20 AM

0 Replies
98 Views
Last post February 04, 2020, 02:56:20 AM
by Borek
Amount calculation from Potency

Started by niloy1207 | Last post by niloy1207 February 19, 2020, 09:46:57 AM

0 Replies
100 Views
Last post February 19, 2020, 09:46:57 AM
by niloy1207
HELP - Food Calorimetry Investigation for my IB Extended Essay

Started by Hanqshaw | Last post by Hanqshaw February 18, 2020, 04:30:19 AM

0 Replies
107 Views
Last post February 18, 2020, 04:30:19 AM
by Hanqshaw
Chemistry Prelab Synthesis Help

Started by mswood | Last post by mswood March 10, 2020, 04:01:59 PM

0 Replies
108 Views
Last post March 10, 2020, 04:01:59 PM
by mswood
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
110 Views
Last post February 06, 2020, 10:24:39 PM
by Mr. Deeds
Acids and Bases

Started by bren12310 | Last post by hypervalent_iodine March 01, 2020, 11:18:09 PM

1 Replies
114 Views
Last post March 01, 2020, 11:18:09 PM
by hypervalent_iodine
Sponsored Links

 

Normal Topic
Hot Topic (More than 5 replies)
Very Hot Topic (More than 10 replies)

Locked Topic
Sticky Topic
Poll