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Number of particles within a solution

Last post by mkolsa « Mon Dec 11, 2023 9:15 am
Replies: 5
by Talal » Mon May 22, 2023 6:40 am

5 Replies

1759 Views

Last post by mkolsa
Mon Dec 11, 2023 9:15 am
Any help please. On the Chemistry of Tris- (acetylacetate) Chromium (III)

Last post by ChenBeier « Sun Dec 10, 2023 4:03 am
Replies: 1
by Dakingnick » Sun Dec 10, 2023 2:03 am

1 Replies

14 Views

Last post by ChenBeier
Sun Dec 10, 2023 4:03 am
Any help, pls

Last post by jacquelinejohnson « Thu Dec 07, 2023 9:21 pm
Replies: 1
by Shouthat » Thu Nov 30, 2023 12:04 am

1 Replies

97 Views

Last post by jacquelinejohnson
Thu Dec 07, 2023 9:21 pm
Redox problem

Last post by ChenBeier « Thu Dec 07, 2023 9:19 am
Replies: 1
by xsvlkvx » Thu Dec 07, 2023 8:22 am

1 Replies

26 Views

Last post by ChenBeier
Thu Dec 07, 2023 9:19 am
Limiting reactant problem

Last post by ChenBeier « Thu Dec 07, 2023 4:03 am
Replies: 3
by katjazoo » Tue Nov 28, 2023 2:38 pm

3 Replies

70 Views

Last post by ChenBeier
Thu Dec 07, 2023 4:03 am
how long does it take to write a 10,000-word dissertation?

Last post by ChenBeier « Mon Dec 04, 2023 10:38 am
Replies: 1
by Emilysmith » Mon Dec 04, 2023 3:51 am

1 Replies

79 Views

Last post by ChenBeier
Mon Dec 04, 2023 10:38 am
Determination of Hg in human hair

Last post by hrutnuageraet « Mon Dec 04, 2023 2:00 am
Replies: 4
by Neon » Sat Dec 02, 2023 2:59 am

4 Replies

93 Views

Last post by hrutnuageraet
Mon Dec 04, 2023 2:00 am
Reaction

Last post by ChenBeier « Mon Nov 27, 2023 10:26 pm
Replies: 1
by Anjaline » Mon Nov 27, 2023 9:46 pm

1 Replies

91 Views

Last post by ChenBeier
Mon Nov 27, 2023 10:26 pm
Grime remover

Last post by ltcyaunias « Mon Nov 27, 2023 1:40 am
Replies: 10
by Erb » Sun Oct 29, 2023 4:22 am

10 Replies

294 Views

Last post by ltcyaunias
Mon Nov 27, 2023 1:40 am
물의 전기 분해

Last post by expandhatch « Thu Nov 23, 2023 1:10 am
Replies: 2
by 박주연 » Sat Nov 04, 2023 5:26 am

2 Replies

191 Views

Last post by expandhatch
Thu Nov 23, 2023 1:10 am
Extracting Lithium from batteries

Last post by ChenBeier « Thu Nov 23, 2023 12:25 am
Replies: 1
by amrrashad58 » Wed Nov 22, 2023 11:21 pm

1 Replies

73 Views

Last post by ChenBeier
Thu Nov 23, 2023 12:25 am
Estimation of the amount of heat generated by the cell

Last post by studentindoubt « Wed Nov 22, 2023 3:32 am

by studentindoubt » Wed Nov 22, 2023 3:32 am

0 Replies

61 Views

Last post by studentindoubt
Wed Nov 22, 2023 3:32 am
Wants to learn chemistry, at least some

Last post by uecyclist « Mon Nov 20, 2023 12:50 am
Replies: 3
by easypeasyac » Sun Oct 29, 2023 1:22 am

3 Replies

232 Views

Last post by uecyclist
Mon Nov 20, 2023 12:50 am
Naming esters

Last post by ChenBeier « Sun Nov 19, 2023 10:41 pm
Replies: 6
by bohojekek » Tue Oct 31, 2023 5:06 am

6 Replies

219 Views

Last post by ChenBeier
Sun Nov 19, 2023 10:41 pm
Heat of Combustion

Last post by yulefestoon « Sun Nov 19, 2023 7:06 pm
Replies: 3
by Wainscot » Thu Oct 12, 2023 8:44 pm

3 Replies

254 Views

Last post by yulefestoon
Sun Nov 19, 2023 7:06 pm
Reaction

Last post by Anjaline « Sun Nov 19, 2023 7:47 am
Replies: 3
by Anjaline » Thu Oct 19, 2023 11:49 pm

3 Replies

274 Views

Last post by Anjaline
Sun Nov 19, 2023 7:47 am
Off Set Temperature of Furnace during analysis

Last post by ChenBeier « Sat Nov 18, 2023 3:09 am
Replies: 3
by kamran_chemist » Fri Nov 17, 2023 2:05 am

3 Replies

106 Views

Last post by ChenBeier
Sat Nov 18, 2023 3:09 am
zinc acetate dihydrate+tea polyphenols→ZnO NPs

Last post by 青苹果 « Thu Nov 16, 2023 7:57 pm

by 青苹果 » Thu Nov 16, 2023 7:57 pm

0 Replies

66 Views

Last post by 青苹果
Thu Nov 16, 2023 7:57 pm
Copper - Triethanolamine Complex

Last post by easypeasyac « Thu Nov 16, 2023 5:13 am
Replies: 11
by easypeasyac » Wed Oct 11, 2023 2:23 am

11 Replies

406 Views

Last post by easypeasyac
Thu Nov 16, 2023 5:13 am
TITRATION AND INDICATOR [ANALYTICAL CHEMISTRY]

Last post by kunzejea « Wed Nov 15, 2023 7:49 pm
Replies: 2
by chuong » Mon Nov 06, 2023 9:51 am

2 Replies

217 Views

Last post by kunzejea
Wed Nov 15, 2023 7:49 pm
Which alcohols decolourise?

Last post by ChenBeier « Tue Nov 14, 2023 5:43 am
Replies: 5
by bohojekek » Tue Oct 17, 2023 3:08 pm

5 Replies

247 Views

Last post by ChenBeier
Tue Nov 14, 2023 5:43 am
Ecuaciones químicas

Last post by orborneee « Fri Nov 10, 2023 1:13 am
Replies: 8
by auro » Sun Apr 16, 2023 1:09 am

8 Replies

2883 Views

Last post by orborneee
Fri Nov 10, 2023 1:13 am
Calculation of volume of solution

Last post by easypeasyac « Fri Nov 03, 2023 11:46 pm
Replies: 2
by easypeasyac » Thu Nov 02, 2023 4:49 am

2 Replies

178 Views

Last post by easypeasyac
Fri Nov 03, 2023 11:46 pm
Mass spectrum id

Last post by ChenBeier « Mon Oct 30, 2023 11:15 pm
Replies: 1
by bohojekek » Mon Oct 30, 2023 6:04 am

1 Replies

162 Views

Last post by ChenBeier
Mon Oct 30, 2023 11:15 pm
Indicator colour change

Last post by ChenBeier « Sat Oct 28, 2023 12:12 am
Replies: 1
by bohojekek » Fri Oct 27, 2023 8:09 pm

1 Replies

135 Views

Last post by ChenBeier
Sat Oct 28, 2023 12:12 am
Espom Salt Lab (magnesium sulfate heptahydrate)

Last post by ChenBeier « Wed Oct 25, 2023 11:08 pm
Replies: 1
by Lyristes » Wed Oct 25, 2023 10:03 am

1 Replies

146 Views

Last post by ChenBeier
Wed Oct 25, 2023 11:08 pm
pH of combined chemicals

Last post by ChenBeier « Tue Oct 24, 2023 8:51 pm
Replies: 7
by Jricer3 » Fri Jan 21, 2022 10:08 pm

7 Replies

2248 Views

Last post by ChenBeier
Tue Oct 24, 2023 8:51 pm
Formaldehyde solution dilution

Last post by easypeasyac « Tue Oct 24, 2023 4:27 am
Replies: 2
by easypeasyac » Sat Oct 21, 2023 2:16 am

2 Replies

228 Views

Last post by easypeasyac
Tue Oct 24, 2023 4:27 am
FeCl3 + NH4SCN + Na2S2O3 + Cu(NO3)2

Last post by ChenBeier « Tue Oct 24, 2023 4:12 am
Replies: 3
by dodusia7 » Fri May 29, 2020 9:44 am

3 Replies

2937 Views

Last post by ChenBeier
Tue Oct 24, 2023 4:12 am
P4O10 reaction with carbonates

Last post by ChenBeier « Mon Oct 23, 2023 4:57 am
Replies: 1
by Sch1arng5m0Nt » Sun Oct 22, 2023 1:34 pm

1 Replies

172 Views

Last post by ChenBeier
Mon Oct 23, 2023 4:57 am
1990 AP chem question

Last post by pugdistant « Mon Oct 23, 2023 2:09 am
Replies: 2
by Lyristes » Thu Oct 12, 2023 9:46 am

2 Replies

211 Views

Last post by pugdistant
Mon Oct 23, 2023 2:09 am
Advanced Highschool Chemistry Lab

Last post by Lyristes « Thu Oct 19, 2023 6:16 pm
Replies: 2
by Lyristes » Thu Oct 19, 2023 4:02 pm

2 Replies

229 Views

Last post by Lyristes
Thu Oct 19, 2023 6:16 pm
Transparent, tasteless, odorless, soluble in water substance

Last post by ChenBeier « Thu Oct 19, 2023 4:55 am
Replies: 4
by LabGuy » Wed Nov 23, 2022 9:10 am

4 Replies

5598 Views

Last post by ChenBeier
Thu Oct 19, 2023 4:55 am
Water Retention with Zero Order Reaction

Last post by ChenBeier « Thu Oct 19, 2023 2:21 am
Replies: 3
by AndrewGonzales » Sat Oct 14, 2023 1:26 pm

3 Replies

358 Views

Last post by ChenBeier
Thu Oct 19, 2023 2:21 am
Calculating dilution ratio of sulfuric acid and water

Last post by ChenBeier « Tue Oct 17, 2023 9:36 pm
Replies: 9
by coryk » Tue Jun 03, 2008 11:01 am

9 Replies

23327 Views

Last post by ChenBeier
Tue Oct 17, 2023 9:36 pm
Preparation of Tris(2,4-pentanedionato)chromium(III)

Last post by emmausa « Tue Oct 17, 2023 7:42 pm
Replies: 2
by tilly1415 » Tue Dec 21, 2021 5:05 am

2 Replies

1756 Views

Last post by emmausa
Tue Oct 17, 2023 7:42 pm
I need help with finding molar ratio

Last post by emmausa « Tue Oct 17, 2023 7:38 pm
Replies: 9
by ndgkhang » Mon Jun 20, 2022 10:39 am

9 Replies

1786 Views

Last post by emmausa
Tue Oct 17, 2023 7:38 pm
calculation of neutralization heat

Last post by ChenBeier « Tue Oct 17, 2023 1:49 am
Replies: 8
by anto007 » Fri Aug 27, 2021 1:35 am

8 Replies

4982 Views

Last post by ChenBeier
Tue Oct 17, 2023 1:49 am
MnCl2 won't dissolve?

Last post by ChenBeier « Tue Oct 17, 2023 1:48 am
Replies: 3
by tummo1997 » Wed Apr 07, 2021 8:44 am

3 Replies

1662 Views

Last post by ChenBeier
Tue Oct 17, 2023 1:48 am
Environmental Chemistry Question

Last post by ChenBeier « Sun Oct 15, 2023 1:07 am
Replies: 1
by AndrewGonzales » Sat Oct 14, 2023 1:23 pm

1 Replies

179 Views

Last post by ChenBeier
Sun Oct 15, 2023 1:07 am
Gravimetric determination of magnesium

Last post by ChenBeier « Sun Oct 15, 2023 1:01 am
Replies: 1
by Neon » Sat Oct 14, 2023 12:32 pm

1 Replies

178 Views

Last post by ChenBeier
Sun Oct 15, 2023 1:01 am
Strip of ITP to test for presence of iron

Last post by ChenBeier « Fri Oct 13, 2023 2:24 am
Replies: 1
by titanif » Fri Oct 13, 2023 1:15 am

1 Replies

164 Views

Last post by ChenBeier
Fri Oct 13, 2023 2:24 am
Barium Peroxide

Last post by Arutnevking « Thu Oct 12, 2023 12:35 am
Replies: 2
by fiore » Tue Sep 12, 2023 7:20 pm

2 Replies

308 Views

Last post by Arutnevking
Thu Oct 12, 2023 12:35 am
chemical reaction between eugenol and Na2SO4

Last post by Arutnevking « Wed Oct 11, 2023 2:45 am
Replies: 3
by dayanevitoria » Sat Sep 16, 2023 12:06 pm

3 Replies

332 Views

Last post by Arutnevking
Wed Oct 11, 2023 2:45 am
Balancing the chemical equation

Last post by ChenBeier « Wed Oct 11, 2023 2:27 am
Replies: 7
by Anjaline » Tue Feb 28, 2023 10:01 pm

7 Replies

2044 Views

Last post by ChenBeier
Wed Oct 11, 2023 2:27 am
Combustion Analysis

Last post by ChenBeier « Tue Oct 10, 2023 12:06 pm
Replies: 3
by MathematicalMistake » Tue Oct 10, 2023 10:22 am

3 Replies

208 Views

Last post by ChenBeier
Tue Oct 10, 2023 12:06 pm
I don't understand this stoich problem ;-;

Last post by MathematicalMistake « Tue Oct 10, 2023 10:11 am
Replies: 2
by MathematicalMistake » Sun Oct 08, 2023 6:41 pm

2 Replies

236 Views

Last post by MathematicalMistake
Tue Oct 10, 2023 10:11 am
Why MHEC is being preferred over HPMC for Cellulose Ether

Last post by juankax « Mon Oct 09, 2023 12:56 pm
Replies: 2
by maissenhpmc » Thu Nov 10, 2022 6:12 pm

2 Replies

4266 Views

Last post by juankax
Mon Oct 09, 2023 12:56 pm
Concentration vs temperature graph of Ammonia at 20 bar

Last post by ChenBeier « Sat Oct 07, 2023 11:33 pm
Replies: 3
by Chemtech2023 » Sat Oct 07, 2023 2:36 am

3 Replies

227 Views

Last post by ChenBeier
Sat Oct 07, 2023 11:33 pm
Why can't i do reaction

Last post by ChenBeier « Fri Oct 06, 2023 2:46 am
Replies: 5
by yetyetty1234567890 » Mon Oct 02, 2023 1:01 am

5 Replies

314 Views

Last post by ChenBeier
Fri Oct 06, 2023 2:46 am

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