what is the kinetic theory of matter definition?
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The kinetic molecular theory of matter states that: Matter is made up of particles that are constantly moving. All particles have energy, but the energy varies depending on the temperature the sample of matter is in. This in turn determines whether the substance exists in the solid, liquid, or gaseous state.
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The British scientist James Clerk Maxwell and the Austrian physicist Ludwig Boltzmann, in the 19th century, led in establishing the theory, which became one of the most important concepts in modern science. The aim of kinetic theory is to account for the properties of gases in terms of the forces between the...
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Kinetic energy is the energy that an object has because of its motion. The molecules in a substance have a range of kinetic energies because they don't all move at the same speed. As a subtance absorbs heat the particles move faster so the average kinetic energy and therefore the temperature increases.
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['Particles of matter have space between them. For example: When we make tea, coffee, particles of one type of matter get into the spaces between particles of the other. ... ', 'Particles of matter are continuously moving. ... ', 'Particles of matter attract each other.']
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The kinetic molecular theory of gases is stated in the following four principles: The space between gas molecules is much larger than the molecules themselves. Gas molecules are in constant random motion. The average kinetic energy is determined solely by the temperature.
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Gas is a state of matter that has no fixed shape and no fixed volume. Gases have lower density than other states of matter, such as solids and liquids. There is a great deal of empty space between particles, which have a lot of kinetic energy. ... The particles exert more force on the interior volume of the container.
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Thermodynamics describes the overall properties, behavior, and equilibrium composition of a system; kinetics describes the rate at which a particular process will occur and the pathway by which it will occur.
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noun Physics. the principle that in any closed system subjected to no external forces, the mass is constant irrespective of its changes in form; the principle that matter cannot be created or destroyed.
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The key difference between particle model of matter and kinetic molecular theory is that the particle model of matter describes the properties of solid, liquid and gas phases of matter whereas the kinetic molecular theory describes the properties of gases.
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Kinetic Energy and Molecular Speed Gas particles are in constant motion, and any object in motion has kinetic energy (Ek). Kinetic energy, for an individual atom, can be calculated by the following equation where m is the mass, and u is the speed. Ek = 1/2 mu2.
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3.2 state the postulates of the particle theory of matter (all matter is made up of particles; all particles are in constant motion; all particles of one substance are identical; temperature affects the speed at which particles move; in a gas, there are spaces between the particles; in liquids and solids, the particles ...
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The true statement is that different gases with the same mass and temperature always have the same average kinetic energy. This is one of the postulates of the kinetic theory of matter.
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The kinetic molecular theory of matter states that: Matter is made up of particles that are constantly moving. ... Molecules in the solid phase have the least amount of energy, while gas particles have the greatest amount of energy. The temperature of a substance is a measure of the average kinetic energy of the particles.
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Thermal energy is the total kinetic energy of moving particles of matter, and the transfer of thermal energy is called heat. Conduction is one of three ways that thermal energy can be transferred (the other ways are convection and thermal radiation).
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['Law of conservation of Mass. Matter is neither destroyed nor created during chemical reactions or physical changes.', 'The law of definite proportions. ... ', 'The law of multiple proportions.']
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Matter is anything that takes of space and has matter Physical properties of matter are: mass, physical state (solid, liquid, and gas), solubility (mixtures and solution), density (sinking and floating), magnetism, insulation/conduction, and measurement. Some physical properties are observed and some are measured.
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The simplest kinetic model is based on the assumptions that: (1) the gas is composed of a large number of identical molecules moving in random directions, separated by distances that are large compared with their size; (2) the molecules undergo perfectly elastic collisions (no energy loss) with each other and with the ...