Chapter 11 Gases Characteristics of Gases Pressure Units of Pressure St in addition to ard Pressure
Esparza, Mikey, Executive Producer/Host has reference to this Academic Journal, PHwiki organized this Journal Chapter 11 Gases Characteristics of Gases Unlike liquids in addition to solids, they Exp in addition to to fill their containers. Are highly compressible. Have extremely low densities. Pressure Pressure is the amount of as long as ce applied to an area. Atmospheric pressure is the weight of air per unit of area.
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Units of Pressure Pascals 1 Pa = 1 N/m2 Bar 1 bar = 105 Pa = 100 kPa St in addition to ard Pressure Normal atmospheric pressure at sea level. It is equal to 1.00 atm 760 torr (760 mm Hg) 101.325 kPa Boyles Law The volume of a fixed quantity of gas at constant temperature is inversely proportional to the pressure.
Boyles Law Click as long as Hyperlink As P in addition to V are inversely proportional A plot of V versus P results in a curve. Charless Law The volume of a fixed amount of gas at constant pressure is directly proportional to its absolute temperature. A plot of V versus T will be a straight line.
Avogadros Law The volume of a gas at constant temperature in addition to pressure is directly proportional to the number of moles of the gas. Ideal-Gas Equation The constant of proportionality is known as R, the gas constant. Ideal-Gas Equation PV = nRT
Daltons Law of Partial Pressures The total pressure of a mixture of gases equals the sum of the pressures that each would exert if it were present alone. In other words, Ptotal = P1 + P2 + P3 + Kinetic-Molecular Theory This is a model that aids in our underst in addition to ing of what happens to gas particles as environmental conditions change. Main Tenets of Kinetic-Molecular Theory Gases consist of large numbers of molecules that are in continuous, r in addition to om motion.
Main Tenets of Kinetic-Molecular Theory Energy can be transferred between molecules during collisions, but the average kinetic energy of the molecules does not change with time, as long as the temperature of the gas remains constant. Diffusion The spread of one substance throughout a space or throughout a second substance. Solubility 3 Ways to Improve Solubility 1. Heat up the solution Tea dissolves faster in hot water than cold. 2. Stir the solution If you stir your sweet tea, more of the sugar will dissolve. 3. Crush the particles Smaller pieces of sugar will dissolve faster than large pieces.
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