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CHEMICAL REACTIONS
Beginning of essay
are the heart of chemistry. People have always known that they exist. The Ancient Greeks were the firsts to speculate on the composition of matter. They thought that it was possible that individual particles made up matter.
Later, in the Seventeenth Century, a German chemist named George Ernst St ....
Middle of essay
....xactly the same as any other molecule of the same substance.
People like Joseph-Lois Gay-Lussac added to Dalton's concepts with the postulate that the volumes of gasses that react with each other are related (14 grams of nitrogen reacted with exactly three grams of hydrogen, eight grams of oxygen reacted to exactly one gram of hydrogen, etc.)
Amedeo Avogadro also added to the concept of . He said that all gasses at the same pressure; volume and temperature contain the same number of particles..... |
| Number of words: 874 |
Approximate pages: 4 |
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