Mission: Pressure lol, humans are squishy.

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Presentation transcript:

Mission: Pressure lol, humans are squishy

What time is it? Fruit snack time!! Lets do an experiment with fruit snacks!

What time is it? Fruit snack time!! Force Area Pressure(P)=

So now that we have played with pressure... Lets talk about the atmosphere Who knows what a barometer is? Some dude named Evangelista Torricelli made up barometer and they named the torr after him Barometer? Big deal, I made up this thingamajig

Units of pressure Millimeters of Hg (mercury) This is the number of millimeters that mercury rises up the mercury column in a barometer Torr One torr is equal to one mm Hg So all you need to remember is torr. Its easier to say than MM Hg anyways. Atmospheres One atmosphere is equal to 760 torr One atmosphere is the pressure at sea level

What you should write down and stick in your pocket for later. 1 atm = 760 torr =760 mm Hg

Lets try using this in a problem Work this with your groups A sample of neon gas has a pressure of 0.50 atm. Give the pressure of the neon in torr. Compute this problem humans

Turn in your computations for further analysis. Compu-Com Turn in your computations for further analysis.

Explain these through drawings Atmospheric pressure changes with altitude How the mercury column rises in a barometer Water is denser than air, why should divers be concerned with this fact? What would happen to the gas in our bodies if we were in space with no atmospheric pressure?