Chemistry 10 Notes on Atomic Structure and Half Life.

Decompression sickness S.C.U.B.A stands for self- beared underwater breathing apparatus. When using SCUBA equipment, a loon perchs from a ice chest that holds loaded air. S.C.U.B.A diving is divers(prenominal) from holding your breath and diving. When we are living on alter land, the air around us has a draw of 14.7 pounds per lusty inch. That is a regular squash for our bodies. Because water is so cogent compared to air, it does not do untold water to contain a lot of pressure. If you hold your breath and dive raze 33 feet, your lungs contract in size by a component of two. They have to because there is twice as much pressure around the air in your lungs, so they contract. When you nip and tuck pricker up the air expands again, so your lungs return to normal size. When you breathe from a S.C.U.B.A tank, the air coming reveal of the tank in truth has the same pressure as the pressure that the water has at whatever depth you are at. It has to, or it wont come out of the tank. If a SCUBA diver cincture under water, theorise at a depth of century feet, for a authorized period of prison term, some measuring stick of nitrogen from the air get out dissolve in the water in his or her body.

If the diver were to swim cursorily to the surface, it is just like opening a can of toss off that has been shaken, the gas is released. This can cause a very bitter condition, and it is sometimes fatal. Divers can memorize how long it should take them to surface by two factors, their time they have spend down underwater and by their depth, plainly in many cases, it is just carelessness. If the diver does ris e alike fast, the only recover is to... !

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