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He created a pump that brought water up from the underground it worked like a syringe. He was confused why the water would rise to a certain point but then not go any higher
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He created a tube 4 feet tall and filled it with mecrury and then placed it upside down and he notcied that all of it did not run out. He was the first man to create a sustand vaccum. This tube was called a barometer.
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He did the same things as galileo but he figured out the reason behind it. It didnt rise any higher because he found that the atmosphric pressuere held the water from coming any higher.
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He travled up and down the mountains in france. And he discoverd that the pressure went up as he travled down the hill.
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He devolped the mamometer to study the elastic forces of the gas. This was a big break through for science.
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He stated that in a mixture of gases the pressure is equal and the pressure exerted by each gas is called partial pressure.
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He made a law that the mass of gas and its volume is constant. So if the volume goes up the mass has to go up.
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He expanded of Guy-Lussac say that the mass and its volume is the same as its molecuar weights and the molecular mass can be calculted by the know volume
