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# Chemistry - Pressure

### Several laws and terms to know

Boyle's Law The volume of a given amount of gas held at a constant temperature varies inversely with the pressure.
Dalton's Law of Partial Pressure The total pressure of a mixture of gases is equal to the sum of the partical pressures of the component gases.
Gay-Lussac's Law The pressure of a given mass of gas varies directly with the Kelvin temperature when the volume remains constant.
Newton SI unit for force
Combined Gas Law A single law that states the relationship among pressure, volume, and temperature of a fixed amount of gas.
Ideal Gas An imaginary gas whose particles are infinitely small and do not interact with each other.
Graham's Law of Diffusion The rate of diffusion of a gas is inversely proportional to the square root of the gas's molar mass.
Ideal Gas Constants It depends on the units that are used for pressure in the ideal gas equation.
Kinetic Molecular Theory Model that is used predict gas behavior.
Pascal SI unit for pressure.
Ideal Gas Law Describes the behavior of an ideal gas in terms of the temperature, volume, and pressure and number of moles of a gas that are present.
Charles Law The volume of a given given mass of gas is directly proportional to its Kelvin temperature at constant pressure.
Diffusion The movement of particles from regions of higher density to regions of lower density.
Standard Temperature and Pressure For a gas, is 0 degrees C and one atmosphere of pressure.
Avogadro's Law Equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.
Effusion The passage of a gas under pressure through a tiny opening.
Partial Pressure The pressure of each gas in a mixture.
Created by: khlo