User Nicolau Saker Neto

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6

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8k

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Resources for learning Chemistry

15h ago Martin - マーチン♦ 38.8k

16

votes

2

answers

3k

views

What is the least dense liquid under normal conditions?

reference-request density liquids

Aug 7 at 21:04 Karl 9,225

10

votes

2

answers

20k

views

Which is more stable ? - A carbanion on benzene ring or a carbanion on a vinylic carbon on an aliphatic chain?

organic-chemistry stability

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53

votes

3

answers

5k

views

Why is it wrong to use the concept of hybridization for transition metal complexes?

bond coordination-compounds transition-metals hybridization

Aug 2 at 7:20 orthocresol♦ 53.2k

10

votes

1

answer

1k

views

What substance has the lowest solubility product?

inorganic-chemistry equilibrium solubility reference-request

Jul 25 at 8:30 andselisk♦ 30.2k

10

votes

2

answers

2k

views

What are the byproducts in a Suzuki reaction?

organic-chemistry organotransition-metal-chemistry

Jul 13 at 20:17 Mathew Mahindaratne 23.6k

20

votes

5

answers

1k

views

Is it true that all of the physical laws and mathematics needed to describe chemistry are known?

theoretical-chemistry

Jul 12 at 9:59 Susi Lehtola 201

16

votes

3

answers

3k

views

IUPAC name for 1,2,3-trichlorocyclopropane?

organic-chemistry nomenclature stereochemistry chirality

Jul 12 at 8:06 Faded Giant♦ 39.5k

6

votes

2

answers

428

views

What happens to boiled (BMIM)PF6?

physical-chemistry ions phase ionic-compounds

Jul 9 at 19:57 Buck Thorn 12.4k

4

votes

1

answer

298

views

Infinite Increase in Entropy when Energy added to Absolute Zero

enthalpy temperature entropy

Jul 8 at 23:21 theorist 5,464

16

votes

1

answer

1k

views

How can benzaldehyde have a pKa of 14.9?

organic-chemistry acid-base ph carbonyl-compounds reference-request

Jul 7 at 5:59 Mathew Mahindaratne 23.6k

12

votes

2

answers

450

views

What is the difference between quantities reported as optical rotation and circular birefringence?

spectroscopy optical-properties

Jul 2 at 21:46 Buttonwood 14k

0

votes

1

answer

63

views

Can the degree of dissociation of a weak acid be more than 1?

equilibrium

Jun 23 at 8:41 Oscar Lanzi 25k

8

votes

3

answers

4k

views

Is the Henderson–Hasselbalch equation volume independent?

acid-base ph titration

Jun 20 at 14:08 Martin - マーチン♦ 38.8k

8

votes

2

answers

833

views

d-Menthol vs dl-menthol: Does an enantiomer and its racemic mixture have different melting points?

physical-chemistry stereochemistry melting-point chirality

Jun 16 at 6:13 Mathew Mahindaratne 23.6k

73

votes

4

answers

33k

views

Bonding in diatomic C2, a carbon-carbon quadruple bond?

theoretical-chemistry bond molecular-orbital-theory covalent-compounds

Jun 13 at 14:57 Mathew Mahindaratne 23.6k

14

votes

2

answers

7k

views

Why are pi bonds only formed when sigma bonds are formed?

bond covalent-compounds valence-bond-theory

Jun 6 at 15:52 Shoubhik R Maiti 2,389

8

votes

2

answers

586

views

Can sensitive nuclei like 1H be exploited to obtain 13C spectra?

nmr-spectroscopy

May 20 at 3:45 orthocresol♦ 53.2k

10

votes

2

answers

1k

views

Vapor pressure and boiling point for solutions in open containers

vapor-pressure

May 16 at 15:49 Buck Thorn 12.4k

5

votes

1

answer

70

views

In acid/base chemistry, are there amphoteric substances that undergo something that resembles disproportionation in redox chemistry

acid-base redox

May 11 at 11:59 Nicolau Saker Neto 22.9k

48

votes

3

answers

3k

views

What happens to a radioactive carbon dioxide molecule when its carbon-14 atom decays?

radioactivity atmospheric-chemistry

May 10 at 15:26 Mathew Mahindaratne 23.6k

13

votes

3

answers

11k

views

Hybridization of nitrogen in trisilylamine, (SiH3)3N?

inorganic-chemistry hybridization

May 8 at 12:47 Community♦ 1

13

votes

1

answer

472

views

Is HF the only method for trying to solve the many-electron Schrödinger equation?

quantum-chemistry computational-chemistry

May 7 at 12:12 Zythos 608

11

votes

2

answers

15k

views

Why is copper a better conductor than iron?

metal conductivity

Apr 30 at 8:28 Rodrigo de Azevedo 1,288

12

votes

4

answers

1k

views

How is exact racemization possible? [closed]

stereochemistry isomers stereoselectivity

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11

votes

3

answers

2k

views

What is the correct value of the Avogadro constant? And how was it derived?

mole

Apr 24 at 11:11 Nicolau Saker Neto 22.9k

2

votes

0

answers

58

views

What type of FDA process does a 222nm Kr-Cl excimer UV-C light have to go through [closed]

uv-vis-spectroscopy

Apr 24 at 0:48 StuffedatHome 21

2

votes

1

answer

50

views

Does the absolute value of enthalpy have any physical significance?

thermodynamics energy enthalpy

Apr 21 at 13:05 Tyberius 9,710

2

votes

1

answer

2k

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Why is 2s more stable than 2p, if 2p experiences greater effective nuclear charge?

quantum-chemistry orbitals

Apr 19 at 5:02 Community♦ 1

57

votes

4

answers

13k

views

Are diamonds really forever?

carbon-allotropes pressure

Apr 17 at 22:35 Aderinsola Joshua 121

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Resources for learning Chemistry

What is the least dense liquid under normal conditions?

Which is more stable ? - A carbanion on benzene ring or a carbanion on a vinylic carbon on an aliphatic chain?

Why is it wrong to use the concept of hybridization for transition metal complexes?

What substance has the lowest solubility product?

What are the byproducts in a Suzuki reaction?

Is it true that all of the physical laws and mathematics needed to describe chemistry are known?

IUPAC name for 1,2,3-trichlorocyclopropane?

What happens to boiled (BMIM)PF6?

Infinite Increase in Entropy when Energy added to Absolute Zero

How can benzaldehyde have a pKa of 14.9?

What is the difference between quantities reported as optical rotation and circular birefringence?

Can the degree of dissociation of a weak acid be more than 1?

Is the Henderson–Hasselbalch equation volume independent?

d-Menthol vs dl-menthol: Does an enantiomer and its racemic mixture have different melting points?

Bonding in diatomic C2, a carbon-carbon quadruple bond?

Why are pi bonds only formed when sigma bonds are formed?

Can sensitive nuclei like 1H be exploited to obtain 13C spectra?

Vapor pressure and boiling point for solutions in open containers

In acid/base chemistry, are there amphoteric substances that undergo something that resembles disproportionation in redox chemistry

What happens to a radioactive carbon dioxide molecule when its carbon-14 atom decays?

Hybridization of nitrogen in trisilylamine, (SiH3)3N?

Is HF the only method for trying to solve the many-electron Schrödinger equation?

Why is copper a better conductor than iron?

How is exact racemization possible? [closed]

What is the correct value of the Avogadro constant? And how was it derived?

What type of FDA process does a 222nm Kr-Cl excimer UV-C light have to go through [closed]

Does the absolute value of enthalpy have any physical significance?

Why is 2s more stable than 2p, if 2p experiences greater effective nuclear charge?

Are diamonds really forever?