58 relations: Ammonia, Amount of substance, Arterial blood gas test, Atmosphere (unit), Atmosphere of Earth, Atmospheric pressure, Atom, Boiling point, Breathing gas, Carbon dioxide, Carbon monoxide, Cerebrospinal fluid, Chemical equilibrium, Chemical kinetics, Chemical reaction, Chloromethane, Concentration, Diethyl ether, Equilibrium constant, Equivalent narcotic depth, Evaporation, Gas, Henry's law, Hydrogen, Hypoxia (medical), Ideal gas, Ideal gas law, Le Chatelier's principle, Liquid, Maximum operating depth, Millimeter of mercury, Mixture, Mole (unit), Mole fraction, Molecule, Mount Everest, National Oceanic and Atmospheric Administration, Nitrogen, Nitrogen narcosis, Oxygen, Oxygen toxicity, Pascal (unit), Perry's Chemical Engineers' Handbook, Pressure, Pulmonary gas pressures, Rebreather, Reference range, Solid, Solution, Solvation, ..., Solvent, Technical diving, Temperature, Underwater diving, Vapor, Vapor pressure, Vein, Volume. Expand index (8 more) »
Ammonia
Ammonia is a compound of nitrogen and hydrogen with the formula NH3.
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Amount of substance
Amount of substance (symbol for the quantity is 'n') is a standard-defined quantity that measures the size of an ensemble of elementary entities, such as atoms, molecules, electrons, and other particles.
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Arterial blood gas test
An arterial-blood gas (ABG) test measures the amounts of arterial gases, such as oxygen and carbon dioxide.
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Atmosphere (unit)
The standard atmosphere (symbol: atm) is a unit of pressure defined as.
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Atmosphere of Earth
The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.
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Atmospheric pressure
Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth (or that of another planet).
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Atom
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
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Boiling point
The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.
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Breathing gas
A breathing gas is a mixture of gaseous chemical elements and compounds used for respiration.
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Carbon dioxide
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
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Carbon monoxide
Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.
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Cerebrospinal fluid
Cerebrospinal fluid (CSF) is a clear, colorless body fluid found in the brain and spinal cord.
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Chemical equilibrium
In a chemical reaction, chemical equilibrium is the state in which both reactants and products are present in concentrations which have no further tendency to change with time, so that there is no observable change in the properties of the system.
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Chemical kinetics
Chemical kinetics, also known as reaction kinetics, is the study of rates of chemical processes.
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Chemical reaction
A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.
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Chloromethane
Chloromethane, also called methyl chloride, Refrigerant-40, R-40 or HCC 40, is a chemical compound of the group of organic compounds called haloalkanes.
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Concentration
In chemistry, concentration is the abundance of a constituent divided by the total volume of a mixture.
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Diethyl ether
Diethyl ether, or simply ether, is an organic compound in the ether class with the formula, sometimes abbreviated as (see Pseudoelement symbols).
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Equilibrium constant
The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical equilibrium, a state approached by a dynamic chemical system after sufficient time has elapsed at which its composition has no measurable tendency towards further change.
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Equivalent narcotic depth
Equivalent narcotic depth (END) is used in technical diving as a way of estimating the narcotic effect of a breathing gas mixture, such as heliox and trimix.
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Evaporation
Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gaseous phase before reaching its boiling point.
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Gas
Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma).
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Henry's law
In chemistry, Henry's law is a gas law that states that the amount of dissolved gas is proportional to its partial pressure in the gas phase.
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Hydrogen
Hydrogen is a chemical element with symbol H and atomic number 1.
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Hypoxia (medical)
Hypoxia is a condition in which the body or a region of the body is deprived of adequate oxygen supply at the tissue level.
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Ideal gas
An ideal gas is a theoretical gas composed of many randomly moving point particles whose only interactions are perfectly elastic collisions.
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Ideal gas law
The ideal gas law, also called the general gas equation, is the equation of state of a hypothetical ideal gas.
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Le Chatelier's principle
Le Chatelier's principle, also called Chatelier's principle or "The Equilibrium Law", can be used to predict the effect of a change in conditions on some chemical equilibria.
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Liquid
A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure.
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Maximum operating depth
In underwater diving activities such as saturation diving, technical diving and nitrox diving, the maximum operating depth (MOD) of a breathing gas is the depth below which the partial pressure of oxygen (pO2) of the gas mix exceeds an acceptable limit.
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Millimeter of mercury
A millimeter of mercury is a manometric unit of pressure, formerly defined as the extra pressure generated by a column of mercury one millimetre high and now defined as precisely pascals.
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Mixture
In chemistry, a mixture is a material made up of two or more different substances which are mixed.
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Mole (unit)
The mole, symbol mol, is the SI unit of amount of substance.
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Mole fraction
In chemistry, the mole fraction or molar fraction (xi) is defined as the amount of a constituent (expressed in moles), ni, divided by the total amount of all constituents in a mixture (also expressed in moles), ntot: The sum of all the mole fractions is equal to 1: The same concept expressed with a denominator of 100 is the mole percent or molar percentage or molar proportion (mol%).
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Molecule
A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.
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Mount Everest
Mount Everest, known in Nepali as Sagarmāthā and in Tibetan as Chomolungma, is Earth's highest mountain above sea level, located in the Mahalangur Himal sub-range of the Himalayas.
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National Oceanic and Atmospheric Administration
The National Oceanic and Atmospheric Administration (NOAA; pronounced, like "Noah") is an American scientific agency within the United States Department of Commerce that focuses on the conditions of the oceans, major waterways, and the atmosphere.
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Nitrogen
Nitrogen is a chemical element with symbol N and atomic number 7.
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Nitrogen narcosis
Narcosis while diving (also known as nitrogen narcosis, inert gas narcosis, raptures of the deep, Martini effect) is a reversible alteration in consciousness that occurs while diving at depth.
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Oxygen
Oxygen is a chemical element with symbol O and atomic number 8.
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Oxygen toxicity
Oxygen toxicity is a condition resulting from the harmful effects of breathing molecular oxygen at increased partial pressures.
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Pascal (unit)
The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.
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Perry's Chemical Engineers' Handbook
Perry's Chemical Engineers' Handbook (also known as Perry's Handbook, Perry's, or The Chemical Engineer's Bible) was first published in 1934 and the most current eighth edition was published in October 2007.
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Pressure
Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
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Pulmonary gas pressures
The factors that determine the values for alveolar pO2 and pCO2 are.
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Rebreather
A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath.
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Reference range
In health-related fields, a reference range or reference interval is the range of values for a physiologic measurement in healthy persons (for example, the amount of creatinine in the blood, or the partial pressure of oxygen).
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Solid
Solid is one of the four fundamental states of matter (the others being liquid, gas, and plasma).
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Solution
In chemistry, a solution is a special type of homogeneous mixture composed of two or more substances.
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Solvation
Solvation describes the interaction of solvent with dissolved molecules.
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Solvent
A solvent (from the Latin solvō, "loosen, untie, solve") is a substance that dissolves a solute (a chemically distinct liquid, solid or gas), resulting in a solution.
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Technical diving
Technical diving (also referred to as tec diving or tech diving) is scuba diving that exceeds the agency-specified limits of recreational diving for non-professional purposes.
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Temperature
Temperature is a physical quantity expressing hot and cold.
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Underwater diving
Underwater diving, as a human activity, is the practice of descending below the water's surface to interact with the environment.
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Vapor
In physics a vapor (American) or vapour (British and Canadian) is a substance in the gas phase at a temperature lower than its critical temperature,R.
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Vapor pressure
Vapor pressure or equilibrium vapor pressure is defined as the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases (solid or liquid) at a given temperature in a closed system.
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Vein
Veins are blood vessels that carry blood toward the heart.
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Volume
Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains.
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References
[1] https://en.wikipedia.org/wiki/Partial_pressure