User matt_black

18 votes

Enrichment of D2O

answered Feb 13, 2018 at 14:38

18 votes

Why do branched chain compounds have lower boiling points than the corresponding straight chain isomers?

answered Dec 31, 2013 at 1:32

18 votes

Bonding between rings and iron atom in ferrocene

answered Sep 20, 2015 at 21:18

17 votes

Accepted

Help understanding how "steric effects" are distinct from "electronic effects"?

answered Feb 17, 2021 at 11:16

17 votes

Accepted

Why does ozone, being heavier than air, not settle down?

answered Jul 16, 2016 at 12:09

15 votes

What is the difference between "vapour" and "gas"?

answered Apr 19, 2021 at 14:24

15 votes

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Why doesn't EDTA have a double bond?

answered Dec 28, 2013 at 22:38

15 votes

Accepted

Why is triptycene aromatic?

answered Oct 18, 2017 at 22:25

14 votes

Why were quasicrystals initially so controversial?

answered Jun 23, 2021 at 12:11

14 votes

Accepted

Why are dipoles "permanent/induced dipole permanent/induced dipole" and not just "permanent/induced dipole" once?

answered May 25, 2017 at 21:10

14 votes

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Boiling point of Coca-Cola

answered Jan 1, 2014 at 14:11

13 votes

Understanding reason behind existence of chemical equilibrium

answered Feb 17, 2020 at 13:43

13 votes

Why is Avagadro's number independent of substance?

answered May 29, 2019 at 11:02

13 votes

Is graphite more stable than diamond?

answered Mar 22, 2015 at 11:02

13 votes

Why does water evaporate spontaneously at room temperature despite ΔG > 0?

answered Apr 8, 2015 at 19:49

12 votes

Why do some dentists claim mercury "leaks out" of amalgam fillings?

answered Jan 23, 2014 at 19:57

12 votes

Calling Diamond an element?

answered Sep 24, 2018 at 9:17

11 votes

Accepted

Does the temperature of liquid ammonia stored at high pressure, room temperature suddenly drop to −33.35 °C when poured into a bowl?

answered Mar 18, 2017 at 17:27

11 votes

Accepted

Are there any other elements that get less dense in their solid state?

answered Jul 17, 2016 at 10:22

11 votes

Accepted

Why do unsaturated hydrocarbons burn with a sooty flame while saturated hydrocarbons burn with a clear flame when burnt in the air?

answered Dec 18, 2016 at 11:33

11 votes

Is melting/boiling point of ionically bonded substance higher than of covalently bound?

answered Mar 28, 2015 at 15:50

11 votes

Why is carbon dioxide nonpolar?

answered Jul 26, 2014 at 13:42

11 votes

Weird Wikipedia Section on Oxidizing Behavior of Nitric and Sulfuric Acids

answered May 13, 2016 at 14:09

11 votes

How do you melt metals with super high melting points?

answered May 26, 2016 at 20:29

10 votes

How does de Broglie actually prove Bohr's postulates?

answered Jul 22, 2019 at 13:08

10 votes

Why can radioactive contamination be spread by people?

answered Aug 10, 2020 at 13:32

10 votes

What is going on in and below a yellow or blue gas flame?

answered Dec 1, 2021 at 16:10

10 votes

Accepted

Why is oxygen an anomaly in this context?

answered Jul 4, 2022 at 16:10

10 votes

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Why can't the half-life be determined in a reaction with more than one reactant?

answered Aug 23, 2022 at 13:11

10 votes

Accepted

What happens to gasoline when it lands on your hand?

answered Jun 3, 2016 at 23:15

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530 Answers

Enrichment of D2O

Why do branched chain compounds have lower boiling points than the corresponding straight chain isomers?

Bonding between rings and iron atom in ferrocene

Help understanding how "steric effects" are distinct from "electronic effects"?

Why does ozone, being heavier than air, not settle down?

What is the difference between "vapour" and "gas"?

Why doesn't EDTA have a double bond?

Why is triptycene aromatic?

Why were quasicrystals initially so controversial?

Why are dipoles "permanent/induced dipole permanent/induced dipole" and not just "permanent/induced dipole" once?

Boiling point of Coca-Cola

Understanding reason behind existence of chemical equilibrium

Why is Avagadro's number independent of substance?

Is graphite more stable than diamond?

Why does water evaporate spontaneously at room temperature despite ΔG > 0?

Why do some dentists claim mercury "leaks out" of amalgam fillings?

Calling Diamond an element?

Does the temperature of liquid ammonia stored at high pressure, room temperature suddenly drop to −33.35 °C when poured into a bowl?

Are there any other elements that get less dense in their solid state?

Why do unsaturated hydrocarbons burn with a sooty flame while saturated hydrocarbons burn with a clear flame when burnt in the air?

Is melting/boiling point of ionically bonded substance higher than of covalently bound?

Why is carbon dioxide nonpolar?

Weird Wikipedia Section on Oxidizing Behavior of Nitric and Sulfuric Acids

How do you melt metals with super high melting points?

How does de Broglie actually prove Bohr's postulates?

Why can radioactive contamination be spread by people?

What is going on in and below a yellow or blue gas flame?

Why is oxygen an anomaly in this context?

Why can't the half-life be determined in a reaction with more than one reactant?

What happens to gasoline when it lands on your hand?