what are the four ideas of the kinetic molecular theory?
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Concept Overview: 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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['Combination.', 'Decomposition.', 'Single displacement.', 'Double displacement.', 'Combustion.', 'Redox.']
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There are five types of kinetic energy: radiant, thermal, sound, electrical and mechanical. Let's explore several kinetic energy examples to better illustrate these various forms.
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Since n is the number of molecules per unit volume, we see that the pressure is numerically equal to two thirds the kinetic energy of the molecules in a unit volume of gas.
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['Gases are composed of infinitely small particles.', 'The volume of a gas is composed of the space between the particles.', 'Particles are in a constant random motion.', 'Particles do not gain or lose kinetic energy during collision.', 'Average kinetic energy of the particles is proportioned to temperature.']
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Chemical kinetics or reaction kinetic is the scientific study of the rates of chemical reactions. This includes the development of mathematical model to describe the rate of reaction and an analysis of the factors that affect reaction mechanisms.
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['Non polar molecules are symmetric with no unshared electrons.', 'Polar molecules are asymmetric, either containing lone pairs of electrons on a central atom or having atoms with different electronegativities bonded.']
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The average kinetic energy of gas molecules is directly proportional to absolute temperature only; this implies that all molecular motion ceases if the temperature is reduced to absolute zero.
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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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In VSEPR theory, the lone pair forces the molecular geometry of SF4 into a see-saw shape. Two of the S-F bonds are pointing away from each other, and their bond dipoles cancel. But the other two S-F dipoles are pointing "down". Their bond dipoles do not cancel, so the molecule is polar.
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Molecular Geometries. The VSEPR theory describes five main shapes of simple molecules: linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral.
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Which statement BEST describes the kinetic theory of matter? Matter is made up of particles that are in constant motion and have energy.
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The Four Types of Thermodynamic Processes The four types of thermodynamic process are isobaric, isochoric, isothermal and adiabatic.
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['Equilibrium.', 'Chemical Bonding and Molecular structure.', 'Electrochemistry.', 'Chemical Kinetics.', 'Coordination Compounds.', 'Aldehydes, Ketones and Carboxylic Acids.', 'S, P, D and F Block Elements.', 'Hydrocarbons.']
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According to Kinetic Molecular Theory, an increase in temperature will increase the average kinetic energy of the molecules. As the particles move faster, they will likely hit the edge of the container more often. ... Increasing the kinetic energy of the particles will increase the pressure of the gas.
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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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So the average speed of a gas molecule is about 500 m/sec. This is roughly the speed of sound in a gas 340 m/sec. So the average kinetic energy of the gas molecules is related to the temperature of the gas.