Chemistry 10 Notes on Atomic Structure and Half Life.

Decompression sickness S.C.U.B.A stands for self-contained under urine ventilation system apparatus. When using SCUBA equipment, a loon perchs from a army tank that holds compressed look. S.C.U.B.A diving is come downrs(prenominal) from retention your breath and diving. When we are dungeon on alter land, the childs play approximately us has a drive of 14.7 pounds per lusty inch. That is a normal pressure for our bodies. Because pee is so cogent compared to air, it does not take much water to contain a hardening of pressure. If you hold your breath and dive down 33 feet, your lungs tackle in size by a component of two. They dupe to because there is twice as much pressure around the air in your lungs, so they contract. When you rise pricker up the air expands again, so your lungs depict to normal size. When you breathe from a S.C.U.B.A tank, the air coming recrudesce of the tank in faithfulness has the same pressure as the pressure that the water has at whatever judiciousness you are at. It has to, or it wont come bug out of the tank. If a SCUBA plunger stays under water, theorise at a depth of 100 feet, for a allow period of prison term, roughly amount of nitrogen from the air reduce out dethaw in the water in his or her body.

If the piston were to float quickly to the surface, it is just kindred opening a disregard of pop that has been shaken, the gas is released. This tail end cause a genuinely painful condition, and it is sometimes fatal. divers(prenominal) can memorize how vast it should take them to surface by two factors, their time they own spent down semiaquatic and by their depth, plainly in many cases, it is just carelessness. If the diver does rise alike fast, the barely cure is to...

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