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S matrix not positive - MgH2 system

Last post by ChenBeier « Mon Aug 26, 2024 5:00 am
Replies: 1
by RaquelYR » Mon Aug 26, 2024 4:56 am

1 Replies

11920 Views

Last post by ChenBeier
Mon Aug 26, 2024 5:00 am
How much egg yolk can I use, before disaster, to make soap with cocosnut and possibly olive oil:?

Last post by ChenBeier « Wed Aug 21, 2024 1:26 am
Replies: 1
by wanwalk » Tue Aug 20, 2024 2:22 pm

1 Replies

12369 Views

Last post by ChenBeier
Wed Aug 21, 2024 1:26 am
Questions on Equilibrium

Last post by ChenBeier « Mon Aug 12, 2024 12:14 pm
Replies: 1
by Dhamnekar Winod » Mon Aug 12, 2024 12:05 pm

1 Replies

12461 Views

Last post by ChenBeier
Mon Aug 12, 2024 12:14 pm
Potassium alum: how to prevent recrystallization

Last post by ChenBeier « Sat Aug 10, 2024 10:21 am
Replies: 1
by Antonspb » Sat Aug 10, 2024 8:37 am

1 Replies

12280 Views

Last post by ChenBeier
Sat Aug 10, 2024 10:21 am
The Steps for a Total Synthesis

Last post by Bastian123 « Thu Aug 08, 2024 6:00 am
Replies: 2
by Bastian123 » Wed Aug 07, 2024 3:55 pm

2 Replies

12381 Views

Last post by Bastian123
Thu Aug 08, 2024 6:00 am
please help

Last post by ChenBeier « Thu Aug 08, 2024 4:19 am
Replies: 10
by islam_haswa » Sun Apr 14, 2024 1:59 pm

10 Replies

17928 Views

Last post by ChenBeier
Thu Aug 08, 2024 4:19 am
Hello!!

Last post by ChenBeier « Wed Jul 31, 2024 10:15 pm
Replies: 1
by Uport1975 » Wed Jul 31, 2024 9:36 pm

1 Replies

12394 Views

Last post by ChenBeier
Wed Jul 31, 2024 10:15 pm
Help with chemical reaction

Last post by ChenBeier « Mon Jul 29, 2024 9:53 pm
Replies: 3
by Mawkish » Thu Jul 25, 2024 12:19 am

3 Replies

13013 Views

Last post by ChenBeier
Mon Jul 29, 2024 9:53 pm
NaBH4 driven to completion by heating?

Last post by ChenBeier « Wed Jul 24, 2024 12:38 pm
Replies: 1
by ilovehcl » Wed Jul 24, 2024 9:27 am

1 Replies

11244 Views

Last post by ChenBeier
Wed Jul 24, 2024 12:38 pm
Van der Waals Gas Gleichung solve for n

Last post by ChenBeier « Thu Jul 11, 2024 8:33 am
Replies: 1
by DrTBuLi » Thu Jul 11, 2024 8:15 am

1 Replies

12310 Views

Last post by ChenBeier
Thu Jul 11, 2024 8:33 am
Chlorine Hydrate

Last post by zanbr « Mon Jul 08, 2024 2:59 pm
Replies: 4
by zanbr » Mon Jul 08, 2024 11:39 am

4 Replies

13421 Views

Last post by zanbr
Mon Jul 08, 2024 2:59 pm
Question on Molarity and Solubility

Last post by societyparp « Thu Jun 27, 2024 2:04 am
Replies: 6
by dorothylinn » Mon Apr 08, 2024 2:07 am

6 Replies

15086 Views

Last post by societyparp
Thu Jun 27, 2024 2:04 am
Reaction between sodium hypochlorite and potassium bromide

Last post by rizthais « Tue Jun 25, 2024 1:44 am
Replies: 2
by rizthais » Mon Jun 24, 2024 7:02 am

2 Replies

13423 Views

Last post by rizthais
Tue Jun 25, 2024 1:44 am
New topic: Electrochromic windows/smart glass and their reaction

Last post by warrenclew « Mon Jun 24, 2024 6:49 pm
Replies: 3
by chemistrylifefor » Mon Apr 15, 2024 11:01 am

3 Replies

14254 Views

Last post by warrenclew
Mon Jun 24, 2024 6:49 pm
Reaction equation

Last post by zanbr « Wed Jun 19, 2024 2:23 pm
Replies: 2
by zanbr » Wed Jun 19, 2024 12:08 pm

2 Replies

13948 Views

Last post by zanbr
Wed Jun 19, 2024 2:23 pm
finding concentration by using the nernst equation

Last post by ChenBeier « Tue Jun 18, 2024 2:10 am
Replies: 1
by Stisler » Mon Jun 17, 2024 11:15 pm

1 Replies

12813 Views

Last post by ChenBeier
Tue Jun 18, 2024 2:10 am
Biochemical properties of piruvic acid

Last post by jesse99 « Mon Jun 17, 2024 11:46 pm
Replies: 8
by Nimmull » Thu Mar 21, 2024 11:08 am

8 Replies

18044 Views

Last post by jesse99
Mon Jun 17, 2024 11:46 pm
stoichiometry

Last post by ChenBeier « Fri Jun 14, 2024 12:51 am
Replies: 3
by cartographycrawl » Thu Jun 06, 2024 1:09 am

3 Replies

13802 Views

Last post by ChenBeier
Fri Jun 14, 2024 12:51 am
An important raw material for chemical bisphenol A.

Last post by ChenBeier « Wed Jun 12, 2024 4:55 am
Replies: 1
by DeveloJer » Tue Jun 11, 2024 10:45 pm

1 Replies

12433 Views

Last post by ChenBeier
Wed Jun 12, 2024 4:55 am
NaHO3

Last post by ChenBeier « Sun Jun 09, 2024 4:34 am
Replies: 3
by Louca » Sat Jun 08, 2024 1:26 pm

3 Replies

12953 Views

Last post by ChenBeier
Sun Jun 09, 2024 4:34 am
How to recognize ortho, meta or para substitution in an H NMR spectrum

Last post by ChenBeier « Mon Jun 03, 2024 6:32 am
Replies: 1
by Neon » Thu May 30, 2024 8:04 am

1 Replies

15527 Views

Last post by ChenBeier
Mon Jun 03, 2024 6:32 am
Predicting Products

Last post by ChenBeier « Tue May 28, 2024 11:04 pm
Replies: 1
by vix » Tue May 28, 2024 3:42 pm

1 Replies

9705 Views

Last post by ChenBeier
Tue May 28, 2024 11:04 pm
not crystallize polyester resin

Last post by Magnus « Tue May 28, 2024 9:57 pm
Replies: 1
by 施纪尧 » Wed May 22, 2024 7:47 pm

1 Replies

8627 Views

Last post by Magnus
Tue May 28, 2024 9:57 pm
I wrote this in an exam. Would I of gotten the answer wrong?

Last post by ChenBeier « Thu May 23, 2024 12:13 am
Replies: 1
by larrycoppa » Wed May 22, 2024 9:36 pm

1 Replies

8518 Views

Last post by ChenBeier
Thu May 23, 2024 12:13 am
Temperature effect on the reaction

Last post by Platyform « Wed May 22, 2024 11:37 pm
Replies: 4
by Fulminate » Sun Apr 14, 2024 11:55 pm

4 Replies

9716 Views

Last post by Platyform
Wed May 22, 2024 11:37 pm
An important raw material for chemical bisphenol A

Last post by 施纪尧 « Wed May 22, 2024 7:49 pm
Replies: 1
by oneday » Mon Jan 17, 2011 11:46 pm

1 Replies

11289 Views

Last post by 施纪尧
Wed May 22, 2024 7:49 pm
Iron precipitation

Last post by Antonio_1 « Sun May 12, 2024 11:27 pm
Replies: 2
by Antonio_1 » Fri May 10, 2024 1:38 am

2 Replies

8507 Views

Last post by Antonio_1
Sun May 12, 2024 11:27 pm
Seeking for program to spectrophotometer Halo Rb-10

Last post by ChenBeier « Mon May 06, 2024 7:21 am
Replies: 3
by civg » Mon May 06, 2024 6:07 am

3 Replies

8654 Views

Last post by ChenBeier
Mon May 06, 2024 7:21 am
Determination of Hg in human hair

Last post by DavidSanborn24 « Wed May 01, 2024 9:15 pm
Replies: 10
by Neon » Sat Dec 02, 2023 2:59 am

10 Replies

15712 Views

Last post by DavidSanborn24
Wed May 01, 2024 9:15 pm
Seeking Advice for Pollution Mask Chemical Absorbers

Last post by ChenBeier « Mon Apr 29, 2024 10:16 pm
Replies: 1
by dhruv » Mon Apr 29, 2024 8:47 pm

1 Replies

8250 Views

Last post by ChenBeier
Mon Apr 29, 2024 10:16 pm
Molecular formula of the compound CH₂O

Last post by ChenBeier « Fri Apr 26, 2024 1:01 am
Replies: 15
by BrodySchowalter » Sun Dec 24, 2023 10:35 am
1

2
15 Replies

19175 Views

Last post by ChenBeier
Fri Apr 26, 2024 1:01 am
Calculate the volume of gas under standard conditions

Last post by ChenBeier « Tue Apr 23, 2024 1:31 am
Replies: 1
by johnsa3 » Tue Apr 23, 2024 12:08 am

1 Replies

8870 Views

Last post by ChenBeier
Tue Apr 23, 2024 1:31 am
CHANGE PASSWORD MissColorado

Last post by ChenBeier « Thu Apr 18, 2024 1:51 pm
Replies: 1
by Ivanuvh » Thu Apr 18, 2024 12:56 pm

1 Replies

8959 Views

Last post by ChenBeier
Thu Apr 18, 2024 1:51 pm
stoichiometry

Last post by ChenBeier « Thu Apr 18, 2024 12:11 am
Replies: 1
by Anjaline » Wed Apr 17, 2024 11:36 pm

1 Replies

8626 Views

Last post by ChenBeier
Thu Apr 18, 2024 12:11 am
How is the volume of salt in the problem calculated?

Last post by ChenBeier « Wed Apr 17, 2024 5:14 am
Replies: 1
by kocha2 » Wed Apr 17, 2024 3:07 am

1 Replies

5876 Views

Last post by ChenBeier
Wed Apr 17, 2024 5:14 am
Complete these reactions

Last post by shohan_chems « Tue Apr 16, 2024 8:47 am
Replies: 4
by shohan_chems » Mon Apr 15, 2024 9:53 pm

4 Replies

6235 Views

Last post by shohan_chems
Tue Apr 16, 2024 8:47 am
glycoside

Last post by EssaMattou « Mon Apr 15, 2024 7:23 pm
Replies: 3
by auksas » Sat Mar 16, 2024 10:24 pm

3 Replies

5834 Views

Last post by EssaMattou
Mon Apr 15, 2024 7:23 pm
torasemide

Last post by ChenBeier « Sun Apr 14, 2024 9:22 am
Replies: 1
by atlas » Sun Apr 14, 2024 8:04 am

1 Replies

3937 Views

Last post by ChenBeier
Sun Apr 14, 2024 9:22 am
Mg(OH)2 + CaCO3 + H2O = Mg(HCO3)2 + Ca(OH)2

Last post by ChenBeier « Tue Apr 09, 2024 7:43 am
Replies: 3
by easypeasyac » Tue Apr 09, 2024 2:06 am

3 Replies

4237 Views

Last post by ChenBeier
Tue Apr 09, 2024 7:43 am
Exercise on pH

Last post by ChenBeier « Mon Apr 08, 2024 10:59 pm
Replies: 3
by sottozer0 » Mon Feb 05, 2024 11:22 am

3 Replies

5800 Views

Last post by ChenBeier
Mon Apr 08, 2024 10:59 pm
I need help with some questions and types of problems

Last post by ChenBeier « Sun Apr 07, 2024 11:38 pm
Replies: 1
by madelineshue » Sun Apr 07, 2024 9:41 pm

1 Replies

3684 Views

Last post by ChenBeier
Sun Apr 07, 2024 11:38 pm
A doubt about GC-MS analysis: number of tests?

Last post by CarbonPure « Fri Apr 05, 2024 4:28 am

by CarbonPure » Fri Apr 05, 2024 4:28 am

0 Replies

16442 Views

Last post by CarbonPure
Fri Apr 05, 2024 4:28 am
Understanding the Equilibrium Constant Expression

Last post by ChenBeier « Fri Apr 05, 2024 1:04 am
Replies: 1
by AudreyLamoreaux » Fri Apr 05, 2024 12:43 am

1 Replies

3480 Views

Last post by ChenBeier
Fri Apr 05, 2024 1:04 am
PhD application

Last post by ChariseLan « Thu Apr 04, 2024 5:34 am
Replies: 3
by nArA » Fri Mar 01, 2024 10:36 am

3 Replies

5091 Views

Last post by ChariseLan
Thu Apr 04, 2024 5:34 am
How to destroy fiberglass rephrased

Last post by sarahlison « Mon Apr 01, 2024 9:37 pm
Replies: 4
by 4kShane » Mon Feb 26, 2024 6:20 am

4 Replies

5280 Views

Last post by sarahlison
Mon Apr 01, 2024 9:37 pm
Petroleum Hydrocarbons in MEG and TEG

Last post by bumpkingravy « Mon Apr 01, 2024 8:52 pm
Replies: 1
by Constantin0703 » Mon Mar 25, 2024 9:04 am

1 Replies

5829 Views

Last post by bumpkingravy
Mon Apr 01, 2024 8:52 pm
Amino acids and metabolites

Last post by kevin498 « Fri Mar 29, 2024 4:46 am
Replies: 2
by tess1911 » Fri Mar 01, 2024 6:54 am

2 Replies

4792 Views

Last post by kevin498
Fri Mar 29, 2024 4:46 am
Redox reactions

Last post by ChenBeier « Thu Mar 28, 2024 4:01 am
Replies: 5
by Neon » Wed Mar 27, 2024 12:22 pm

5 Replies

6571 Views

Last post by ChenBeier
Thu Mar 28, 2024 4:01 am
Acid sulfuric

Last post by ChenBeier « Wed Mar 27, 2024 11:07 pm
Replies: 1
by dominicelliott » Wed Mar 27, 2024 8:07 pm

1 Replies

4195 Views

Last post by ChenBeier
Wed Mar 27, 2024 11:07 pm
Complex Formation Equilibria

Last post by ChenBeier « Tue Mar 26, 2024 10:58 pm
Replies: 1
by AlChem » Tue Mar 26, 2024 6:08 pm

1 Replies

3849 Views

Last post by ChenBeier
Tue Mar 26, 2024 10:58 pm

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