plz help me..
2006-12-10 11:51:08 · 3 answers · asked by sana_ahmad75 1 in Science & Mathematics ➔ Chemistry
torskie is right in everything he said.. i will say that flash powder also needs a "dash" of sulfur... at least anything that goes boom like a firecracker will have some sulfur.. it creates alot more gas(so2 mostly) and thus expanding power.
2006-12-10 12:26:14 · answer #1 · answered by Anonymous · 0⤊ 0⤋
It depends on a reaction of two chemical compounds. Aluminum powder and Potassium Perchlorate make up the only 2 components of a popular and simple type of flash powder. This compound is stable for a flash powder.
3 KClO4 + 8 Al â 4 Al2O3+ 3 KCl
It converts one compound to other elements (Al2O3 and KCl)
it releases heat
it releases energy
[Generally, 70% potassium and 30% aluminum mass mix of potassium perchlorate and aluminum powder works very well. The more finely powdered the materials, the faster the reaction, and the "sharper" the flash.]
Now finish your homework and go to bbed!
2006-12-10 20:05:15 · answer #2 · answered by Anonymous · 0⤊ 0⤋
There is only one reason. A compound containing carbon, nitrogen in a high oxidation state, and hydrogen ignites to form CO2 + N2. The compression of gases produced suddenly goes off with a bang. Gases also rush through a reed-like opening to produce a whistling sound. The gases released also propel the shell to high altitudes for it to burst, or to spin a pinwheel. The energy released accelerates electrons in certain elements like strontium, calcium, or boron to high levels, which relax to ground states with emission of characteristically colored light.
2006-12-10 20:05:44 · answer #3 · answered by steve_geo1 7 · 0⤊ 0⤋