Properties

Properties Chemical reactions are the heart of chemistry. People have ceaselessly known that they exist. The Ancient Greeks were the firsts to speculate on the composition of matter. They example that it was possible that individual particles made up matter. Later, in the ordinal Century, a German chemist named Georg Ernst Stahl was the first to postulate on chemical reaction, specifically, combustion. He said that a substance called phlogiston fell into the air from all substances during combustion.

He explained that a burning m ash disk would go out if a candle snuff user was put ov er it because the air inside the snuffer became perfect(a) with phlogiston. jibe to his ideas, wood is made up of phlogiston and ash, because only ash is leftfield after combustion. His ideas soon came upon some contradiction. When metal is burned, its ash has a greater mass than the original substance. Stahl tried to cover himself by saying that phlogiston will take away from a substances m...If you exigency to get a full essay, order it on our website: BestEssayCheap.com

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