Black powder is the name given to the earliest known chemical explosive. It is used as a blasting powder and a propellant for firearms, rockets, and fireworks. The composition of black powder or gunpowder is not set. In fact, several different compositions have been used throughout history. H...
What is the formula for salt produced from the neutralization reaction between sulfuric acid and sodium hydroxide? What is the chemical equation for the reaction of hydrobromic acid with aqueous ammonium hydroxide to give aqueous ammonium bromide a...
Determination of guaranteed storage terms for gunpowders is performed by formula: is the content of nitrosoDPA in gunpowder. Value K≤0.9 is considered to be the index of the satisfactory chemical resistance.;EFFECT: elaboration of a quantitative method of determining the content of effective SCS....
10. The formula of"cross intersection" is to write the formula of chemical formula:"the right price is the right of the right, the cross is the number of thenumber of the cross, and the right one is correct."11. Filtering operation:Beaker beaker glass rod,filter paper funnel Angle; Bef...
(A)B,thephysicalandchemicalchanges andchangesofC,sincethephysicalchangeisachemicalchange, neitherDnorphysicalchangesandchemicalchangesofthe following3.belongstothechemicalchange(is)(1)gunpowder explosion(2)springelongated(3)woodburning(4),A(sucrose dissolvedinwater1)(2),B(2)(4),C(3)(4),D(1)(3...
sulfur is used as a fungicide and in black gunpowder for the vulcanisation of natural rubber. nevertheless, most sulfur is used in sulfuric acid manufacturing, which is probably the most important chemical produced by western civilisations. q2 what are 3 common uses of sulfur? it is used for...
rubber, plastic, gunpowder, the semiconductor,thetraditional,organicchemicalindustry, automotive industry, coating industry, [...] energytek.com.tw energytek.com.tw 有效地去除廢氣中之揮發性有機溶劑(VOCs), 適用在印刷、油漆、橡膠、塑膠、火藥、半導體、映像管、有機化工、汽車業、塗裝業、化工業、食品業...
In biochemistry, this term is more specific and describes alpha-amino acids with the general formula NH2-CHR-COOH with R being an organic substituent. ammeter (eng.) An ammeter is an instrument to measure the electric current in a circuit, the SI unit of which is amperes (A). amorphous ...
The greatest commercial use of the element is the production of sulfuric acid for sulfate and phosphate fertilizers and other chemical processes. It is used in the vulcanization of black rubber, as a fungicide and in black gunpowder. The element sulfur is used in matches, insecticides, and fungi...
POM has the formula (OCH ) . 2 n 15 Click on the ad to read moreClick on the ad to read moreClick on the ad to read more Download free eBooks at Chemical Engineering Vocabulary alternate stress Wechselbeanspruchung, die (eng.) Reinforced concrete can withstand more alternate stress than...