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Help with Photometry problem!!!

Last post by confused2021 « Tue Feb 23, 2021 8:59 pm

by confused2021 » Tue Feb 23, 2021 8:59 pm

0 Replies

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Last post by confused2021
Tue Feb 23, 2021 8:59 pm
Capture of Chlorine Gas

Last post by ChenBeier « Tue Feb 23, 2021 8:46 am
Replies: 5
by JosephMSME » Sun Feb 21, 2021 9:02 am

5 Replies

75 Views

Last post by ChenBeier
Tue Feb 23, 2021 8:46 am
Chem Lab Help Please!!

Last post by ChenBeier « Fri Feb 19, 2021 3:29 pm
Replies: 1
by ashmac5 » Fri Feb 19, 2021 2:48 pm

1 Replies

81 Views

Last post by ChenBeier
Fri Feb 19, 2021 3:29 pm
General chemistry question

Last post by Dhamnekar Winod « Fri Feb 19, 2021 5:48 am

by Dhamnekar Winod » Fri Feb 19, 2021 5:48 am

0 Replies

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Last post by Dhamnekar Winod
Fri Feb 19, 2021 5:48 am
Help with pI/pH problem? Any input Appreciated!!!

Last post by ChenBeier « Wed Feb 17, 2021 6:21 am
Replies: 7
by confused2021 » Tue Feb 16, 2021 5:59 pm

7 Replies

114 Views

Last post by ChenBeier
Wed Feb 17, 2021 6:21 am
Having Difficulty With Chemistry Conversion Problem. Please Help!!!

Last post by ChenBeier « Tue Feb 16, 2021 12:57 pm
Replies: 4
by confused2021 » Tue Feb 09, 2021 3:39 pm

4 Replies

185 Views

Last post by ChenBeier
Tue Feb 16, 2021 12:57 pm
Chemical structure of Sodium Percarbonate[Na2H3CO6]

Last post by ChenBeier « Mon Feb 15, 2021 1:39 am
Replies: 3
by Dhamnekar Winod » Sun Feb 14, 2021 10:45 am

3 Replies

91 Views

Last post by ChenBeier
Mon Feb 15, 2021 1:39 am
chemistry lab help

Last post by ChenBeier « Fri Feb 12, 2021 3:10 am
Replies: 1
by skycracker00 » Thu Feb 11, 2021 11:59 pm

1 Replies

139 Views

Last post by ChenBeier
Fri Feb 12, 2021 3:10 am
Confused and need understanding

Last post by ChenBeier « Fri Feb 12, 2021 3:08 am
Replies: 1
by Rytime » Thu Feb 11, 2021 7:57 pm

1 Replies

83 Views

Last post by ChenBeier
Fri Feb 12, 2021 3:08 am
Whats happening?

Last post by ChenBeier « Wed Feb 10, 2021 3:16 pm
Replies: 1
by Jamcroc » Wed Feb 10, 2021 1:51 pm

1 Replies

129 Views

Last post by ChenBeier
Wed Feb 10, 2021 3:16 pm
Students should go for online services...

Last post by ChenBeier « Wed Feb 10, 2021 6:07 am
Replies: 2
by ericamike3 » Sun Oct 12, 2008 10:56 pm

2 Replies

1331 Views

Last post by ChenBeier
Wed Feb 10, 2021 6:07 am
Need help building a device?

Last post by ChenBeier « Tue Feb 09, 2021 2:32 am
Replies: 1
by chemistrymole » Mon Feb 08, 2021 7:51 pm

1 Replies

112 Views

Last post by ChenBeier
Tue Feb 09, 2021 2:32 am
What subjects in chemistry need integrals

Last post by wolfram « Mon Feb 08, 2021 11:00 am
Replies: 1
by CarolBonilla » Tue Nov 10, 2020 1:35 pm

1 Replies

298 Views

Last post by wolfram
Mon Feb 08, 2021 11:00 am
Encryption Key

Last post by ChenBeier « Mon Feb 08, 2021 8:27 am
Replies: 1
by real_alchemist__ » Mon Feb 08, 2021 6:07 am

1 Replies

156 Views

Last post by ChenBeier
Mon Feb 08, 2021 8:27 am
Predicting Products for Single Replacement Reactions

Last post by ChenBeier « Sat Feb 06, 2021 5:53 am
Replies: 1
by cale tucker » Fri Feb 05, 2021 7:51 pm

1 Replies

160 Views

Last post by ChenBeier
Sat Feb 06, 2021 5:53 am
Bond dissociation energies

Last post by Dhamnekar Winod « Fri Feb 05, 2021 6:30 am
Replies: 2
by Dhamnekar Winod » Fri Feb 05, 2021 12:26 am

2 Replies

163 Views

Last post by Dhamnekar Winod
Fri Feb 05, 2021 6:30 am
Two step mole conversions

Last post by Dhamnekar Winod « Fri Feb 05, 2021 5:59 am
Replies: 4
by PleaseHelp » Wed Feb 03, 2021 11:29 am

4 Replies

202 Views

Last post by Dhamnekar Winod
Fri Feb 05, 2021 5:59 am
Hess's Law

Last post by ChenBeier « Fri Feb 05, 2021 5:37 am
Replies: 5
by Dhamnekar Winod » Mon Feb 01, 2021 11:35 pm

5 Replies

201 Views

Last post by ChenBeier
Fri Feb 05, 2021 5:37 am
How to identify all these 4 unknown reactions?🤔

Last post by Dhamnekar Winod « Fri Feb 05, 2021 2:49 am

by Dhamnekar Winod » Fri Feb 05, 2021 2:49 am

0 Replies

139 Views

Last post by Dhamnekar Winod
Fri Feb 05, 2021 2:49 am
Electroplating Steel on Steel

Last post by ChenBeier « Thu Feb 04, 2021 7:52 am
Replies: 1
by gylddlqvesdyttsyzo » Thu Feb 04, 2021 7:41 am

1 Replies

127 Views

Last post by ChenBeier
Thu Feb 04, 2021 7:52 am
Carbon Hydroxide heated

Last post by ChenBeier « Tue Feb 02, 2021 12:05 pm
Replies: 3
by Ineedhomeworkdone » Mon Feb 01, 2021 1:14 pm

3 Replies

156 Views

Last post by ChenBeier
Tue Feb 02, 2021 12:05 pm
Converting 4.5 nanograms to micrograms per microliter? Please Help!!!

Last post by ChenBeier « Tue Feb 02, 2021 5:20 am
Replies: 7
by confused2021 » Mon Feb 01, 2021 5:47 pm

7 Replies

249 Views

Last post by ChenBeier
Tue Feb 02, 2021 5:20 am
The Quantitation Limit (Analysis results presentation)

Last post by ChenBeier « Sun Jan 31, 2021 3:03 am
Replies: 1
by alecb » Sat Jan 30, 2021 11:30 pm

1 Replies

137 Views

Last post by ChenBeier
Sun Jan 31, 2021 3:03 am
Computing pH of 1 L solution containing acetic acid and Sodium acetate after adding HCl.

Last post by ChenBeier « Sat Jan 30, 2021 10:53 am
Replies: 3
by Dhamnekar Winod » Sat Jan 30, 2021 9:55 am

3 Replies

156 Views

Last post by ChenBeier
Sat Jan 30, 2021 10:53 am
Frontal lobes wavelength signal uplode to Afterlife.

Last post by SoulcreatorGod « Sat Jan 30, 2021 3:42 am

by SoulcreatorGod » Sat Jan 30, 2021 3:42 am

0 Replies

101 Views

Last post by SoulcreatorGod
Sat Jan 30, 2021 3:42 am
Why does water freeze in a pan of alcohol due to blowing air over it?

Last post by ChenBeier « Fri Jan 29, 2021 9:49 am
Replies: 1
by Dhamnekar Winod » Fri Jan 29, 2021 9:29 am

1 Replies

95 Views

Last post by ChenBeier
Fri Jan 29, 2021 9:49 am
Equilibrium test question

Last post by ChenBeier « Fri Jan 29, 2021 1:48 am
Replies: 1
by Dhamnekar Winod » Thu Jan 28, 2021 10:57 pm

1 Replies

132 Views

Last post by ChenBeier
Fri Jan 29, 2021 1:48 am
Computing percentage concentration of H2SO4

Last post by ChenBeier « Thu Jan 28, 2021 10:28 am
Replies: 3
by Dhamnekar Winod » Thu Jan 28, 2021 8:07 am

3 Replies

163 Views

Last post by ChenBeier
Thu Jan 28, 2021 10:28 am
Chemical formula

Last post by ChenBeier « Thu Jan 28, 2021 10:08 am
Replies: 3
by Liliahaa » Thu Jan 28, 2021 9:19 am

3 Replies

199 Views

Last post by ChenBeier
Thu Jan 28, 2021 10:08 am
Computing calorimeter constant

Last post by ChenBeier « Wed Jan 27, 2021 12:46 pm
Replies: 2
by Dhamnekar Winod » Wed Jan 27, 2021 5:44 am

2 Replies

136 Views

Last post by ChenBeier
Wed Jan 27, 2021 12:46 pm
Determining calorimeter constant

Last post by ChenBeier « Wed Jan 27, 2021 12:22 pm
Replies: 1
by Dhamnekar Winod » Wed Jan 27, 2021 9:43 am

1 Replies

127 Views

Last post by ChenBeier
Wed Jan 27, 2021 12:22 pm
Balance this chemical reaction. Thanks

Last post by ChenBeier « Sun Jan 24, 2021 6:04 am
Replies: 1
by Manzar Ch » Sun Jan 24, 2021 2:13 am

1 Replies

335 Views

Last post by ChenBeier
Sun Jan 24, 2021 6:04 am
Balance these

Last post by ChenBeier « Sat Jan 23, 2021 2:00 pm
Replies: 1
by Maxcs18 » Sat Jan 23, 2021 12:23 pm

1 Replies

189 Views

Last post by ChenBeier
Sat Jan 23, 2021 2:00 pm
How do I figure these out?

Last post by ChenBeier « Fri Jan 22, 2021 8:27 am
Replies: 1
by yvngkin11 » Fri Jan 22, 2021 6:42 am

1 Replies

188 Views

Last post by ChenBeier
Fri Jan 22, 2021 8:27 am
Number of atoms/percentage in terms of mass

Last post by ChenBeier « Fri Jan 22, 2021 12:06 am
Replies: 3
by Deborah » Wed Jan 20, 2021 4:22 pm

3 Replies

171 Views

Last post by ChenBeier
Fri Jan 22, 2021 12:06 am
How to separate this redox reaction into two half reactions?

Last post by ChenBeier « Thu Jan 21, 2021 1:03 am
Replies: 5
by Dhamnekar Winod » Wed Jan 20, 2021 8:31 am

5 Replies

221 Views

Last post by ChenBeier
Thu Jan 21, 2021 1:03 am
Assignment: Virtual Lab for Precipitation equilibrium

Last post by ChenBeier « Wed Jan 20, 2021 1:54 am
Replies: 1
by Dhamnekar Winod » Tue Jan 19, 2021 9:34 pm

1 Replies

160 Views

Last post by ChenBeier
Wed Jan 20, 2021 1:54 am
I need any help I can get

Last post by ChenBeier « Tue Jan 19, 2021 2:21 pm
Replies: 3
by CBDutyG » Tue Jan 19, 2021 5:13 am

3 Replies

164 Views

Last post by ChenBeier
Tue Jan 19, 2021 2:21 pm
NaCi and KCi both are salt? what is the differentiation of salt?

Last post by ericmini « Tue Jan 19, 2021 10:14 am
Replies: 2
by ericmini » Mon Jan 18, 2021 10:43 pm

2 Replies

186 Views

Last post by ericmini
Tue Jan 19, 2021 10:14 am
Homework help

Last post by ChenBeier « Tue Jan 19, 2021 5:21 am
Replies: 1
by Randomgal » Mon Jan 18, 2021 7:24 pm

1 Replies

183 Views

Last post by ChenBeier
Tue Jan 19, 2021 5:21 am
Separating ethanol and propanol from gamma butyrolactone

Last post by ChenBeier « Fri Jan 15, 2021 3:53 am
Replies: 1
by Tripod777 » Wed Jan 13, 2021 2:02 pm

1 Replies

188 Views

Last post by ChenBeier
Fri Jan 15, 2021 3:53 am
mixing coolants

Last post by ChenBeier « Fri Jan 15, 2021 3:50 am
Replies: 1
by Heisenblerg » Wed Jan 13, 2021 9:54 pm

1 Replies

144 Views

Last post by ChenBeier
Fri Jan 15, 2021 3:50 am
define the mass from PH

Last post by ChenBeier « Fri Jan 08, 2021 1:42 am
Replies: 3
by Mohamed4455 » Thu Jan 07, 2021 8:47 am

3 Replies

286 Views

Last post by ChenBeier
Fri Jan 08, 2021 1:42 am
Redox reactions: Metal displacements

Last post by ChenBeier « Tue Jan 05, 2021 10:35 am
Replies: 5
by Dhamnekar Winod » Mon Jan 04, 2021 9:53 pm

5 Replies

331 Views

Last post by ChenBeier
Tue Jan 05, 2021 10:35 am
Drawing heating cooling curve, Phase change in boiling pasta water

Last post by ChenBeier « Tue Jan 05, 2021 12:50 am
Replies: 2
by Dhamnekar Winod » Sat Dec 12, 2020 7:00 pm

2 Replies

337 Views

Last post by ChenBeier
Tue Jan 05, 2021 12:50 am
Direction of reaction

Last post by spahara « Sun Jan 03, 2021 3:07 am

by spahara » Sun Jan 03, 2021 3:07 am

0 Replies

187 Views

Last post by spahara
Sun Jan 03, 2021 3:07 am
Cosmetic formulation question

Last post by ChenBeier « Wed Dec 30, 2020 9:42 am
Replies: 1
by itayderma » Wed Dec 30, 2020 5:52 am

1 Replies

213 Views

Last post by ChenBeier
Wed Dec 30, 2020 9:42 am
Chymotrypsin and trypsin specificity - help!

Last post by hlaurenc « Wed Dec 30, 2020 2:11 am

by hlaurenc » Wed Dec 30, 2020 2:11 am

0 Replies

183 Views

Last post by hlaurenc
Wed Dec 30, 2020 2:11 am
what is organic and inorganic reation?

Last post by ChenBeier « Wed Dec 23, 2020 9:19 am
Replies: 1
by rohit21 » Wed Dec 23, 2020 6:21 am

1 Replies

246 Views

Last post by ChenBeier
Wed Dec 23, 2020 9:19 am
How do I balance this reaction, tool says it has infinite results

Last post by ChenBeier « Sat Dec 19, 2020 10:49 am
Replies: 1
by giannitrattore » Sat Dec 19, 2020 10:34 am

1 Replies

338 Views

Last post by ChenBeier
Sat Dec 19, 2020 10:49 am

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