Scuba Project

Allison Sadler

Gas Laws

Boyle's Law
  • Relationship between pressure and volume

Charles's Law

  • Volume of gas is directly related to the temperature

Dalton's Law

  • Mixture of non reacting gases the total pressure exerted is equal to the sum of the partial pressures of the individual gases.

Gay- Lussac's Law

  • The relationship between pressure and temperature when volume and amount are held constant.

Henry's Law

  • At a constant temperature, the amount of a given gas that dissolves in a given type and volume of liquid is directly proportional to the partial pressure of that gas in equilibrium with that liquid.
The Ideal Gas Law: Crash Course Chemistry #12

"The Bends"

How do you get it?

  • Occurs in scuba divers or high altitude or aerospace events when dissolved gases (mainly nitrogen) come out of solution in bubbles and can affect just about any body area including joints, lung, heart, skin and brain.

Dangers of the condition

  • Life threatening and can lead to peristalsis.

Side Effects

  • Fatigue and pain in muscles and joints.

How to treat the condition

  • Hyperbolic decompression chamber.

Which gas?

  • Henry's law because if a diver too fast, their will be too many bubbles from what was high pressure that it will cause "the bends".
USCG Medical Emergency: The Bends

Oxygen Toxicity

How do you get it?
  • Breathing in molecular oxygen at increased partial pressures

Dangers of the condition

  • Hypoxia and cellular and organ dysfunction or siezures

Side Effects

  • Difficulty breathing and damage to the lungs

How to treat the condition

  • Hyperbaric oxygen

Which gas?

  • Dalton's law because the oxygen is toxic to patients of the high partial pressure.
US Navy CNS oxygen toxicity hit

Air Embolisms

How do you get it?

  • Breathing in air bubbles

Dangers of the condition

  • Can cause lung failure

Side Effects

  • Burning sensation and coughing

How to treat the condition

  • hyberberic oxygen

Which gas?

  • Boyles because at lower pressures, the smaller the air bubbles will be harmful.

Air embolism (Medical Condition)