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30 Cards in this Set

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 According to the kinetic theory, particles of matter are in motion in a) gases only, b) gases and liquids, c) solids, liquids, and gases, d) solids only c) solids, liquids and gases A real gas is one that a) does not ovey completely the assumptions of the kinetic theory, b) consists of particles that do not occupy space, c) cannot be condensed, d) cannot be produced in scientific laboratories. a) does not obey completely the assumptions of the kinetic theory According to the kinetic theory, particles of a gas a) attract each other but do not collide, b) repel each other and collide, c) neither attract nor repel each other but collide, d) neither attract nor repel each other and do not collide c) neither attract nor repel each other but collide Diffusion between two gases will occur most rapidly if the two gases are at a a) high temp. and the molecules are small, b) low temp. and the molecules are large, c) Low temp. and the molecules are small, d) high temp. and the molecules are large a) high temp. and the molecules are small. Kinetic theory does not work well for real gases at high pressure b/c a) the molecules are close enough to attract each other, b)no measurements can be made at high pressure, c) the molecules begin to collide with the sides of the container, d) all of the above_r need correct answer The kinetic theory does not work well for a) any real gases, b) gases at very low temperatures, c) gases at low pressure, d) real gases at high temperature need correct answer The property of a gas that is caused by moving particles hitting the walls of the container is a) temperature, b) compressibility, c) density, d) pressure d) pressure If a fixed quantity and volume of a gas undergoes a change in temperature, it will also experience a change in a) pressure, b) density, c) mass, d) formula a) pressure To study the relationship between the quantity of a gas and its volume, the factors that must be held constant are the gas's pressure and a) mass, b) compressibility, c) diffusion rate, d) temperature d) temperature If the temp. of a container of gas remains constant, then the pressure of the gas will increase if a) the mass of the gas molecules increases, b) the diffusion of the gas molecules increases, c) the size of the container is increased, d) the number of gas molecules in the container is increased d) the number of gas molecules in the container is increased Standard pressure is the pressure exerted by a column of mercury whose height is exactly a) 273mm, b) 760mm, c) 760cm, 1.00m b) 760mm A pressure of 745mm Hg is equal to a)745torr, b) 1 torr, c) 1 pascal, d) 745 pascals a) 745 torr If the temp. remains constant for the situation in which V and P represent the original volume and pressure and V'and P' represent the new volume and pressure, the mathematical expression for boyle's Law is a)P'V'=V'P, b) W'= PP', c) V'P'=VP, d) V'=VP'/P" c) V'P'=VP If the temperature is 363K, what is the Celsius Temperature? a)273 degrees C, b) 0 degrees C, c) 32 degrees C, d) 90 degrees C d) 90 degrees C A 500 mL sample of gas is collected at 760mm Hg and a temperature of O degrees C. If the temperature rises to 10 degrees C and the volume remains constant, the sample will a) increase in pressure, b) decrease in pressure, c) condense to a liquid, d) ignite a) increase in pressure An Imaginary gas that conforms perfectly to al the assumptions of the kinetic theory. ideal gas A collision in which there is no net loss of kinetic energy. elastic collision because gas molecules flow past one another, they have the property of fluidity two factors that affect gases tremendously temperature and pressure (law) volume of a dry gas in inversely proportional to the pressure Boyle's Law (Law) volume of a dry gas is directly proportional to the temperature Charles Law -273 degrees Celcius represents absolute zero (law) pressure is directly proportional to Kelvin temperature Guy Fussac's(sp?) Law (law) total pressure is sum of partial pressures Dalton's Law STP conditions (temp/pressure) smae line -273 degrees Celcius/ 760 device used to measure pressure barometer who invented the barometer need answer Kinetic energy of gas particles is directly proportional to what Need answer Property of gases that results from pushing molecules closer together compressibility what measurable quantity of gases results from collisions between molecules. pressure