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Revival

Answer more than 30 days after a question was asked as first answer scoring 2 or more. This badge can be awarded multiple times.

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How does having a basic stationary phase help the separation of acidic/basic compounds from non acidic/basic ones?

Awarded 1 hour ago

Curt F.

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Air bag reaction calculation: gas volume and stoichiometry

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Karsten♦

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Static electricity with calcium carbonate particles

Awarded 2 days ago

EdwardWouters

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Reaction between sodium bicarbonate (baking soda), isopropyl alcohol, and acetic acid (vinegar)?

Awarded Jul 18 at 6:10

Shern Ren Tee

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In which cases does the 3d subshell take precedence over the 4s subshell?

Awarded Jul 14 at 21:37

DavePhD

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Could you form quartz crystals by melting and cooling sand very slowly?

Awarded Jul 12 at 11:47

Harrychink

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What substances are typically used to produce cyan, magenta, and yellow ink?

Awarded Jul 7 at 23:26

XuMuK

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Dissolving silver braze from tungsten carbide

Awarded Jul 4 at 20:41

blacksmith37

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Interpretation of Helmholtz energy and Gibbs energy

Awarded Jul 3 at 18:55

Alfredo Maranca

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Reaction of 1,3-butadiene with HBr in the presence of peroxides

Awarded Jun 29 at 16:54

user55119

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Why does iron have an abnormally high ionization energy?

Awarded Jun 26 at 22:40

Sean Schulte

292 bronze badges

Awarded Jun 22 at 19:25

Karsten♦

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Strength of Hydrogen Bond and Angle

Awarded Jun 21 at 19:12

Karsten♦

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Does mercury(II) cyanate exist?

Awarded Jun 17 at 18:05

Nilay Ghosh

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Predicting bonds from properties of compounds

Awarded Jun 11 at 18:19

Uncle Al

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Why is cuprous oxide a p-type semiconductor?

Awarded Jun 11 at 16:57

permeakra

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The use of far-infrared ceramics for water purification?

Awarded Jun 9 at 11:18

William Stucke

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Light sensitive AgF decomposition reaction

Awarded Jun 8 at 19:06

Nicolau Saker Neto

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Why does the trimethylammonium cation have a larger -I effect than the ammonium cation?

Awarded Jun 6 at 5:35

Rover

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Products of silicate synthesis

Awarded Jun 1 at 17:22

A.K.

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What is Q-carbon? Does it exist?

Awarded Jun 1 at 9:45

Ronith

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Is Acetanilide toxic to fish?

Awarded May 28 at 19:41

Humeyra

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Is it possible to make Prince Rupert’s drops with molten alumina?

Awarded May 28 at 13:46

Buck Thorn♦

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AAS background correction with Zeeman effect

Awarded May 25 at 14:51

Ed V

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Hydroboration/oxidation vs acid-catalyzed hydration of 1-phenylpropene

Awarded May 24 at 17:57

orthocresol

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Second ionization energies of copper(Cu) and silver(Ag)

Awarded May 13 at 20:25

chikako

594 bronze badges

Why isn't protium nucleus considered most stable nucleus?

Awarded May 12 at 21:34

Paul Kolk

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Why are bicarbonates of alkaline earth metals stable only in aqueous solution?

Awarded May 12 at 20:07

Rodrigo

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Do plasma globes generate ozone?

Awarded May 12 at 12:33

Ronith

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Question about chemical potential of a multicomponent ideal gas

Awarded May 9 at 13:55

Karsten♦

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Amphoteric character of V2O5

Awarded May 1 at 5:55

Nilay Ghosh

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Minimum molar mass of organic compound with given mass fraction of carbon

Awarded Apr 25 at 3:42

andselisk♦

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How to identify salts using mutual reactions

Awarded Apr 23 at 12:04

Poutnik

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What is the role of NaCl in the functionalization of gold nanoparticles?

Awarded Apr 23 at 8:51

Nanopartz Inc.

213 bronze badges

What causes the "white water" smell?

Awarded Apr 22 at 19:34

S. Burt

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Why do we observe signal coalescence during dynamic NMR?

Awarded Apr 20 at 20:50

Buck Thorn♦

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How to convert CAS ID to SMILES

Awarded Apr 19 at 19:08

Buttonwood

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Why does phenol react on oxygen in the Gattermann–Koch reaction?

Awarded Apr 16 at 19:11

Nisarg Bhavsar

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Differences between galvanic cells and Li-ion?

Awarded Apr 16 at 19:11

Maurice

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Speed up polymerisation of formaldehyde

Awarded Apr 16 at 19:11

Nilay Ghosh

26.3k27 gold badges93 silver badges202 bronze badges

Aza-enolates: why no reaction at N

Awarded Apr 14 at 18:05

Fenil Patel

213 bronze badges

Maximum pressure that can be produced by a combustion reaction

Awarded Apr 13 at 14:42

DavePhD

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Elemental Potassium as both an oxidizer and a reducer

Awarded Apr 9 at 17:51

DavePhD

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What happens when isopropyl alcohol expires?

Awarded Apr 4 at 14:32

Melanie Shebel

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Finding the atomic packing factor (APF) of Sodium Chloride and other FCC ionic compounds

Awarded Mar 30 at 18:15

Harikrishnan M

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Finding the molar ratio at equilibrium

Awarded Mar 30 at 18:15

Sam202

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Are the solid supports used in oligonucleotide synthesis reusable?

Awarded Mar 28 at 7:55

Thai

1313 bronze badges

Which is faster- SN1 or SN2?

Awarded Mar 27 at 23:03

Karsten♦

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Does the chlorination of 4-methylcyclopentene generate two enantiomers or two diastereomers?

Awarded Mar 26 at 17:17

Karsten♦

41.3k8 gold badges73 silver badges191 bronze badges

Identifying Name/Purpose of piece of ellipsoid glassware with internal tube?

Awarded Mar 20 at 18:05

Anjankumar

11 silver badge14 bronze badges

What are metal zip tags and belt buckles made of?

Awarded Mar 19 at 12:25

Anjankumar

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How to electron count bridging ligands?

Awarded Mar 18 at 19:18

Cyclopropanol

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What is the hybridization state of the carbon atoms in [10]annulene?

Awarded Mar 17 at 17:51

Anjankumar

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Inductive effect on stability of free radical

Awarded Mar 17 at 17:51

Harikrishnan M

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What should be the IUPAC name of [(NH3)5Co-NH2-Co(NH3)4(H2O)]?

Awarded Mar 15 at 17:11

Harikrishnan M

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What is the phase of matter that has flexible volume, but constant shape?

Awarded Mar 12 at 22:03

theorist

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Protons and osmotic potential

Awarded Mar 12 at 22:03

theorist

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Given advancements of computational power an machine learning, how is it still not possible to predict products from chemical reactions?

Awarded Mar 12 at 22:03

theorist

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Sodium azide to Nitrogen ratio in airbags

Awarded Mar 12 at 22:03

theorist

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Why do organolithium and organomagnesium compounds react differently with CO2?

Awarded Mar 12 at 3:35

Oscar Lanzi

60.1k4 gold badges94 silver badges180 bronze badges

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