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John Dalton - College Term Paper

John Dalton

was born in a small thatched cottage in Eaglesfield, Cumberland on September 5,1766. He had a seven year old brother and a 2 year old sister. John was a Quaker and recieved utilitarian education at the nearest Quaker school. This was quite a feat since, at that time, only one of every 215 English people could read.
He was quick at studies and tireless at mathematical problems. At the age of 12, he had already opened his own school enrolled with 60 pupils.
In 1787 he began to give public lectures. He had hope to go to medical school, but was discouraged by his family. At the age of 26, he discovered he was color-blind. He experimented and wrote about this in his first scientific ...

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to mechanical repulsion rather than chemical attraction. As a chemistry tutor, John taught from Lavoisier's Elements of Chemistry. After six years John resigned to conduct private research supported by tutoring.
In 1802, in his essay entitled "Experimental Essays on the Constitution of Mixed Gases; on the Force of Steam or Vapor from water and other liquids in different temperatures, both in a Torricellian vacuum and in air; on Evaporation; and on the Expansion of Gasses by Heat," John stated his law of partial pressures. He explained that when two elastic fluids, A and B, are mixed together, there is no mutual repulsion between their particles; that is, A particles do not repel B particles, but a B particle will repel another B. Consequently, the pressure or whole weight of the gas arises solely from its particles. One of his experiments involved the addition of water vapor to dry air. The increase in pressure was the same as the pressure of the added water. He also established a ...

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PAPER DETAILS

Added: 10/26/2007 09:26:19 PM
Category: Biographies
Type: Free Paper
Words: 796
Pages: 3

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