Behavior Of Gases Worksheet Answers !!INSTALL!!
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The kinetic molecular theory is a simple but very effective model that effectively explains ideal gas behavior. The theory assumes that gases consist of widely separated molecules of negligible volume that are in constant motion, colliding elastically with one another and the walls of their container with average velocities determined by their absolute temperatures. The individual molecules of a gas exhibit a range of velocities, the distribution of these velocities being dependent on the temperature of the gas and the mass of its molecules. As the molecules collide, they have momentum transferred to one another and the container, and as the collision velocity decreases, the collisions become less likely.
Gas particles have no defined spatial boundary. They can freely pass into and out of containers and walls, as long as one has no physical impediment like a pressure built up in one region or excessive force due to the pressure of an adjacent region.
Most gases are solids, because the molecules clump together to form a rigid lattice, with average intermolecular forces that are appreciable at low temperatures. Because this lattice is strong and the individual molecules do not easily move in a solid, the flows of a gas are slow and laminar even at very high pressures. Metals have a tendency to form a very dense solid because the valence electrons of the metal atoms are held close to the nuclei, with relatively weak "electronic forces" between the molecules. This is an important factor in the behavior of ductile metals and nonmetals. Metals also become brittle because of their tendency to form a rigid lattice (which is strongest for rarefied gas metals). d2c66b5586