Skip to main content

Questions tagged [explosives]

Questions discussing explosive nature of chemicals. Also, consider using the safety tag.

5 votes
1 answer
1k views

Is Tollen's test safe?

Tollen's test is an important test to distinguish between aldehydes and ketones. $$\ce{2[Ag(NH_3)_2]^+ + RCHO + H_2O → 2Ag(s) + 4NH_3 + RCO_2H + 2H^+}$$ But is this reaction safe? Is there any threat ...
Nilay Ghosh's user avatar
  • 26.3k
38 votes
4 answers
10k views

What exactly is happening when sodium, potassium, or other alkali metal explodes in water?

There are lots of videos on YouTube showing sodium, potassium, etc. exploding when dropped into water (this, for example). I understand that when an alkali metal is exposed to water, a violent ...
bwDraco's user avatar
  • 513
13 votes
4 answers
5k views

What makes substances explosive

Can someone explain clearly to me why some things are explosive?
Thurarcier's user avatar
13 votes
4 answers
6k views

Which chemical properties make a substance explosive?

I know that some chemical substances are used as explosives. Amongst the most famous nitroglycerin in dynamite and cyclonite in C-4. Which chemical properties (I suspect that physical properties have ...
pmod's user avatar
  • 1,053
13 votes
2 answers
521 views

Mechanism of initiation in contact explosives?

It's well known that undiluted nitroglycerin will explode when subjected to a physical shock. What is happening as a result of the physical shock that sets off the explosive reaction? In particular, ...
Dan Bryant's user avatar
13 votes
4 answers
35k views

How explosive is hydrogen gas?

I want to electrolyze water to get oxygen and hydrogen. I want to mix them in a regular balloon and ignite it. How much hydrogen would you need in a 2:1 ratio with air for it to be dangerous? Is this ...
Friend of Kim's user avatar
10 votes
1 answer
5k views

Why are peroxides explosive?

Why do peroxides tend to explode with little provocation? In general, what are typical products of their explosion?
Nick's user avatar
  • 673
4 votes
2 answers
953 views

Contact explosion of nitrogen triiodide

Nitrogen triiodide, on slightest physical contact, explodes to evolve dense purple fumes of iodine. Why does this phenomenon occur? video link - https://www.youtube.com/watch?v=2KlAf936E90
Nilay Ghosh's user avatar
  • 26.3k
40 votes
6 answers
12k views

How does ammonium nitrate explode on its own?

I thought ammonium nitrate was an oxidizer that needed to be mixed with fuel to form a high explosive (e.g., ANFO). But apparently there have been accidental explosions involving just the "...
Rob N's user avatar
  • 1,633
19 votes
1 answer
833 views

What did actually happen when Staudinger tried to synthesise diamond?

It is a famous reaction that used to be a teaching lab experiment, but is now banned in Germany, because it is too dangerous. To quote-translate quite liberally from the German www.seilnacht.com: ...
Martin - マーチン's user avatar
15 votes
3 answers
1k views

What really happens atomically in an explosion?

Let's say a room is filled with butane, I then throw a cigarette into the room. What happens to the atoms/molecules of the butane when they are in contact with the heat from the cigarette?
wtoh's user avatar
  • 267
15 votes
4 answers
14k views

Why exactly does molten NaCl explode, when it is poured into water?

Why does molten $\ce{NaCl}$ explode, when it is poured into water? $\ce{NaCl}$ has a high melting point, $1074\ \mathrm{K}$ ($801~\mathrm{^\circ C}$). $\ce{NaCl}$ has a molar mass of $58.44\ \mathrm{g/...
shre_sudh_97's user avatar
14 votes
2 answers
818 views

Why do most explosives have symmetrical chemical structures?

I was just turning the pages of my chemistry dictionary, when I found the structure of TNT (Trinitrotoluene): ...there after I got interested in its symmetry as an explosive, and started looking for ...
Martin Medro's user avatar
8 votes
3 answers
975 views

How is combustion speed regulated in solid propellants?

My question on Space.SE didn't yield anything I didn't know already: the secondary regulation mechanism – grain (cross-section shape) of the propellant, changing the area of open surface of the ...
SF.'s user avatar
  • 631
7 votes
1 answer
659 views

What chemical explosives detonate when exposed to alpha particles or nuclear fission products?

Wikipedia's article on nitrogen triiodide $\ce{NI3}$ claims that Nitrogen triiodide is also notable for being the only known chemical explosive that detonates when exposed to alpha particles and ...
andselisk's user avatar
  • 38.4k

15 30 50 per page