All Questions
Tagged with explosives combustion
9 questions
-4
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1
answer
57
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Does gunpowder (black powder) melt when heated?
I was just watching a video about yellow powder (similar formula to black powder, but with potassium carbonate instead of charcoal), and I was wondering:
Does regular black powder melt (and ...
0
votes
0
answers
357
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Why does Red Phosphorus react so violently with an oxidizer like Potassium Chlorate?
In Armstrong's Mixture, mixing those two chemicals results in a friction sensitive explosive which produces a loud bang. According to wikipedia, it is made by adding a strong oxidizer to red ...
2
votes
2
answers
896
views
Are petroleum-based products prone to produce hard residues with black powder?
A common controversy about black powder is lubricant composition. Some people tell this is a bad idea to use any petroleum based products in such lube because it will produce hard, difficult to clean ...
4
votes
2
answers
306
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Are all highly shock sensitive chemicals highly temperature sensitive too?
I found that some highly shock sensitive explosives like lead azide, mercury fulminate have a relatively high auto-ignition temperature. I want to know if it's a general property or not and why so? ...
8
votes
3
answers
981
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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 ...
3
votes
1
answer
301
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Why there is an Upper Explosive concentration Limit?
If we have a mixture of combustible gas (let's say it's methane) and air, what is the physical explanation for having a upper concentration limit?
I found this document:
Lower and upper explosive ...
5
votes
2
answers
11k
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What's the composition of gun smoke and is it dangerous?
Background
I've been conducting an informal (i.e. mental) risk assessment of visiting gun ranges. There are a couple of obvious sources of hazard:
Injury by bullet
Hearing loss
Hot casings flying ...
6
votes
0
answers
161
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Methylation of perchlorate
I am exploring (non-experimentally!) the methylation of a perchlorate precursor, either the acid or pre-existing salts, to produce the alkali methyl perchlorate. The methylating agent would be methane ...
15
votes
3
answers
1k
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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?