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Gas Laws

NYS Chemistry Gas Laws

STP standard temperature and pressure, found on table A
Ideal Gas gases that always obey the gas laws
Real Gas may not obey gas laws because they may be attracted to each other or have volume, depending on temperature and pressure conditions
Effusion movement of a gas through a tiny hole
Kinetic energy energy of movement. Temperature measures this kind of energy.
P, V relationship as external pressure increases, gas volume decreases (indirect)
V, T relationship as temperature increases, volume of a gas also increases (direct)
Combined Gas Law allows for calculation of the relationship between initial and final gas pressure, volume and temperature values
Partial Pressures Law the total pressure of a gas mixture is equal to the sum of the individual pressures, as is proportional to the mixture’s composition.
Las of Gas Effusion the smallest, lightest gas will effuse (escape) fastest through a leak in a gas container.
Conditions when gases deviate from the ideal gas laws high pressures and low temperatures
Conditions when gases obey the ideal gas laws low pressures and high temperatures
Created by: etucci