November 11, 2019, 11:33:24 PM
Forum Rules: Read This Before Posting


Child Boards

Problem of the Week Archive

Collection of all our problem of the week threads.

669 Posts
58 Topics

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

Subject / Started by Last post
0 Members and 119 Guests are viewing this board.
Stoichiometry calculator

Started by Borek | Last post by KristinW March 12, 2019, 09:57:01 AM

4 Replies
33631 Views
Last post March 12, 2019, 09:57:01 AM
by KristinW
Please help, I'm desperate ;-;

Started by Srcinccino | Last post by Srcinccino Today at 07:58:02 PM

0 Replies
28 Views
Last post Today at 07:58:02 PM
by Srcinccino
7 Replies
137 Views
Last post Today at 11:42:50 AM
by Enthalpy
zirconium and hafnium

Started by fractalrocks | Last post by Enthalpy Yesterday at 11:59:55 AM

5 Replies
1690 Views
Last post Yesterday at 11:59:55 AM
by Enthalpy
Show the acid nature of hydrogen sulfide

Started by kaloyan_kolev | Last post by AWK Yesterday at 07:59:10 AM

1 Replies
57 Views
Last post Yesterday at 07:59:10 AM
by AWK
Element clarification

Started by rjsmith99 | Last post by AWK November 08, 2019, 01:46:20 AM

1 Replies
115 Views
Last post November 08, 2019, 01:46:20 AM
by AWK
How do you solved question 2?

Started by macbookloser | Last post by macbookloser November 07, 2019, 04:56:09 PM

4 Replies
149 Views
Last post November 07, 2019, 04:56:09 PM
by macbookloser
Diffusion Coefficient Measurement

Started by arli21 | Last post by Enthalpy November 05, 2019, 05:09:17 PM

1 Replies
173 Views
Last post November 05, 2019, 05:09:17 PM
by Enthalpy
Mgcl2 Polarity

Started by parth099 | Last post by Enthalpy November 05, 2019, 04:45:41 PM

2 Replies
150 Views
Last post November 05, 2019, 04:45:41 PM
by Enthalpy
5 Replies
283 Views
Last post November 04, 2019, 05:21:48 PM
by schrodingersdog
Bonding and antibonding interactions in s orbitals

Started by mana | Last post by Enthalpy November 01, 2019, 10:20:53 AM

1 Replies
157 Views
Last post November 01, 2019, 10:20:53 AM
by Enthalpy
MO diagram of O2

Started by mana | Last post by Enthalpy November 01, 2019, 10:02:31 AM

1 Replies
173 Views
Last post November 01, 2019, 10:02:31 AM
by Enthalpy
Thermochem problem: Why is the sign in this question is positive?

Started by schrodingersdog | Last post by mjc123 November 01, 2019, 05:34:51 AM

1 Replies
149 Views
Last post November 01, 2019, 05:34:51 AM
by mjc123
Gen Chem Lab

Started by Bappo | Last post by Borek October 31, 2019, 04:26:28 AM

1 Replies
125 Views
Last post October 31, 2019, 04:26:28 AM
by Borek
Weight percent problem im struggling with

Started by needhelpw1prob | Last post by chenbeier October 30, 2019, 05:00:28 PM

1 Replies
113 Views
Last post October 30, 2019, 05:00:28 PM
by chenbeier
Sponsored Links

 

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

Locked Topic
Sticky Topic
Poll