# How do the gas laws affect scuba diving?

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## How is gas law used in scuba diving?

Boyle’s Law is also important to divers because it means that if a diver takes a lung- ful of air while he is underwater, that air will expand in his lungs as he rises to the surface. If he holds his breath, or ascends too rapidly (like a cork) the expanding air can rupture his lungs.

## How does the behavior of gases affect a scuba diver underwater?

Heating a gas causes it to expand, and cooling a gas causes it to compress. A diver can witness this phenomenon when they submerge a warm scuba tank into colder water. The pressure gauge reading of a warm tank will drop when the tank is submerged in cool water as the gas inside the tank compresses.

## How does Boyle’s law relate to diving?

Boyle’s Law: For a fixed mass of gas at constant temperature, pressure and volume are inversely related. … As a diver descends, increase in pressure results in a decrease in gas volume (compression). Conversely, as the diver ascends compressed gas expands.

## How does Charles law apply to diving?

Charles’ Law is often used to explain why the pressure in a scuba tank goes up when the temperature increases. But Charles’ Law states that the volume of a gas is directly proportional to its temperature. The volume of a scuba tank is constant. … The pressure of a gas is directly proportional to its temperature.

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## What gas law is applied in breathing?

Boyle’s law is a gas law that describes the relationship between the pressure and volume of gas for a mass and temperature. This law is the mechanism by which the human respiratory system functions.

## What is oxygen toxicity in scuba diving?

Oxygen toxicity is a concern for underwater divers, those on high concentrations of supplemental oxygen (particularly premature babies), and those undergoing hyperbaric oxygen therapy. … The result of breathing increased partial pressures of oxygen is hyperoxia, an excess of oxygen in body tissues.

## Why must deep sea divers slowly swim to the surface?

A diver should ascend most slowly from his safety stop to the surface, even more slowly than 30 feet per a minute. Nitrogen in a diver’s body will expand most quickly during the final ascent, and allowing his body additional time to eliminate this nitrogen will further reduce the diver’s risk of decompression sickness.

## What would happen to a diver who does not exhale while surfacing from a 30 m dive?

What would happen to a diver who does not exhale while surfacing from a 30m dive? If divers must make emergency ascents from this depth they must remember to breathe out regularly as they return to the surface. If they don’t, the pressure of the air in their lungs will cause their lungs to expand.