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Sucba BCD | Scuba Buoyancy Device | Scuba Diving

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What are the contents of a SCUBA diving tank?

scuba diving
mhorse15 asked:


I need to know what the gas content of a scuba diving tank is. I found somewhere that is was 78% N2 and 21% O2, but that doesn’t seem right to me. If anyone has any answers I would appreciate it soooo much!!

A SCUBA diver may experience nitrogen narcosis and the bends when diving to great depths because:?

scuba diver
Ladetra S asked:


f. increased pressure underwater causes more nitrogen gas than normal to be dissolved in body tissues.
g. decreased pressure underwater causes less nitrogen gas than normal to be dissolved in body tissues.
h. the solubility of gases decreases with increasing pressure.
j. there is less dissolved oxygen in cold water.




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Is there any kind of gas mask that you can put on underwater?

scuba equipment
nashcalefarms asked:


Wondering if there is any kind of gas mask that can be put on while totally submerged under water (as in, a room is filled with gas, and you’re in the room but underwater in a pool. you have a gas mask but it’s not on, it’s in your hand. Is there any mask (NOT scuba equipment) that you can then put on and climb out of the pool into the gas-filled room?)

Mixtures of He and Oxygen are used in scuba diving to prevent the bends. 35L of Helium at 25C and 1 atm, and?

scuba diving
chem asked:


11L of O2 at 25C and 1 atm were pumped into a 3L scuba tank at 25C. Calculate the total pressure in the tank.

A question about atmospheric pressure and scuba diving?

scuba diving
Chem C asked:


The pressure in the cabin of an aircraft is less than atmospheric pressure. Scuba divers are advised not to travel by air for at least 24 hours after a dive. Explain what they might experience if they ignore this advice.

Scuba GEAR - PRESSURE- VOLUME - MOLES - CHEM - easy best answer?

scuba gear
Jaz ‘ma’ Taz asked:


answer correctly and u get 10 points

When people go scuba diving they take a gas tank full of gases. What gases are contained in the tank? Estimate the weight of gas present in a full scuba tank?

Volume = 11 L

P = 170 atm

Does a piston regulator work differently to a diphragm regulator?

scuba regulator
kiki_kaka_koko_keke asked:


in scuba diving?

A scuba diver takes a 2.8L balloon to the surface where the pressure is 1 atm and the temp. is 34 degrees C?

scuba diver
me2 asked:


He takes it to a depth of 25 M where the pressure is 3.5 atm and the temp is 18 degrees C what’s the volume of the balloon at that depth?

Why is a scuba diver able to endure the pressure at 102 feet under water?

scuba diver
sunshine1616 asked:


why wouldn’t the pressure squash the diver? answering this 2nd question would be easier if you think about the reason a person on land is not squashed by one atmosphere of pressure. thanks for the help. this is for school.

why do the the bubbles exhale by a scuba diver grow larger as they approach surface?

scuba diver
kiki keeks asked:

helpp don’t understand pressure, volume and temeperature relation

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