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739 views

Why does my sand dissolve in citric acid?

Poutnik
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26 views

Application of Beer-Lambert Law to Absorptivity

jphys
  • 403
0 votes
0 answers
19 views

Why are oxidation numbers written number first, charge second? [duplicate]

Karsten♦
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-1 votes
1 answer
19 views

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Michael Lautman
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0 answers
30 views

What is the IUPAC name of an ether if two alkyl groups attached to oxygen atom have functional groups attached to them?

Karsten♦
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0 answers
12 views

Is 2% 2-naphthol solution safe enough to be casually handled at home?

Stan Smith
  • 1
0 votes
0 answers
26 views

Why is work done on the system in irreversible adiabatic compression greater than work done on the system in reversible adiabatic compression?

Poutnik
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0 answers
16 views

Calculating $K_p$ in case of simultaneous equilibria

CallousCalculus
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0 answers
15 views

Why does cyclo heptyl carbocation is unstable?

Puzzle_07_
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0 votes
2 answers
22 views

Hydro distillation set up

Mathew Mahindaratne
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0 votes
0 answers
13 views

Model coordination complex using molecular dynamics (GROMACS/CP2K) [closed]

TheMe
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1 answer
35 views

Phrasing for processes that "create" Entropy?

Buck Thorn♦
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1 answer
32 views

Outer shell electrons [closed]

Dwarf
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2 answers
29 views

Relationship between grams of root and content in a tea

Michael Lautman
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0 answers
25 views

Do all thermodynamic processes have a final state?

dork
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0 answers
15 views

Equilibrium constant being unity at equilibrium [closed]

a_i_r
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1 vote
1 answer
22 views

What happens if an element has two different oxidation numbers on the same side of reaction?

Mailbox
  • 119
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0 answers
14 views

How to determine the number of moles in 1000 bar, 1L H2 gas at 298K using the virial equation (gas law)? [closed]

Ellen
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0 votes
0 answers
12 views

Estimate scaled up rate of gas phase reaction

jackisquizzical
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1 answer
43 views

Identify two hydrocarbons using volume and density

Maurice
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0 answers
40 views

What are the oxidation numbers of C and N in HCONH2 and why? [closed]

I have many questions
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2 answers
74 views

NH protons not appearing in H NMR spectrum of 3,4-dihydropyrimidone derivative (solvent: CDCl3)

Mathew Mahindaratne
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4 votes
2 answers
516 views

What do consecutive letters A and B in the 4th column of PDB file signify?

Karsten♦
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40 views

How to restore shine to a copper coin dulled by acid and did I use to much acid

I have many questions
  • 113
0 votes
2 answers
56 views

Density of dissolved and non-dissolved salts

Martin Sneltvedt
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0 votes
1 answer
29 views

Passing protons through cation-permeable membranes

Noah
  • 81
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0 answers
27 views

Oxidation of MeOH in Metanolated water to reduce MeOH from 500ppm to almost nil in waste water treatment

yousef
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2 votes
1 answer
95 views

Which gas at 15 °C and 1 atmosphere of pressure has the highest refractive index in visible light?

Buck Thorn♦
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0 votes
0 answers
15 views

Adiabatic approximation upper bound

Atsjo
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-3 votes
1 answer
37 views

Is it possible to mix aluminum and iron with gaseous O2 to create a thermite reaction? If so, how quickly would it combust? [closed]

Michael Lautman
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1 vote
0 answers
41 views

How heating of copper sulphate pentahydrate (blue vitriol) can be explained?

Apurvium
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-2 votes
0 answers
24 views

How do I calculate the average initialisation time of a reaction? [closed]

Cr0n
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2 votes
0 answers
53 views

How can fragmentation result in a higher mass than parent ion?

Buttonwood
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-3 votes
0 answers
21 views

Why does r effect doesn't operate in meta position [closed]

Michael Lautman
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1 vote
1 answer
66 views

How does burning natural gas produce nitrogen oxides?

matt_black
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-2 votes
1 answer
46 views

What's the pH of a solution knowing only pKa, mass and volume? (no molecular mass known)

nicolausc
  • 9
-1 votes
0 answers
56 views

How can I get better at organic synthesis? [closed]

Waylander
  • 20k
0 votes
1 answer
55 views

Molecular orbital theory is really useful?

deadlyvices
  • 266
-2 votes
0 answers
61 views

Looking for bio/info on Alan Earnshaw (Chemistry of the Elements)

guest
  • 27
2 votes
1 answer
203 views

Effect of catalytic NaOH on atom economy

Buttonwood
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-1 votes
0 answers
37 views

Polymer similar to acetylacetone

Doriano Brogioli
  • 107
0 votes
0 answers
36 views

Why is the first electron affinity exothermic and successive ones endothermic?

John Smith
  • 101
1 vote
1 answer
62 views

How do you know if a bond according to VB theory consists of 2 "3 electron bonds" or one "fully paired" bond?

Oscar Lanzi
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-2 votes
0 answers
13 views

Guanidine Thiocyanate (GTC) in water solution increase volume, is it true? [closed]

Arindam Chakraborty
  • 1
7 votes
1 answer
146 views

Why don’t Grignard reagants react with their alcohol products?

orthocresol
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-3 votes
0 answers
19 views

What is the difference in appearance between the gemstone Moonstone’s 2 chemical formulas (Na,Ca)Al₁₋₂Si₃₋₂O₈, KAlSi₃O₈ and KAlSi₃O₈?

Matteo Zervos
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0 votes
0 answers
45 views

What is the minimum energy required to dessicate an ethanol+water azeotropic solution

Christian Claudel
  • 9

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