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  • Thumbnail for Collision theory
    Collision theory is a principle of chemistry used to predict the rates of chemical reactions. It states that when suitable particles of the reactant hit...
    22 KB (3,224 words) - 17:23, 31 July 2024
  • of the theory). The viscosity predictions for four molecular models are discussed below. The predictions of the first three models (hard-sphere, power-law...
    18 KB (2,191 words) - 16:31, 21 July 2023
  • Thumbnail for Kinetic theory of gases
    "Illustrations of the dynamical theory of gases. Part I. On the motions and collisions of perfectly elastic spheres," Philosophical Magazine, 4th series...
    51 KB (7,758 words) - 07:43, 6 September 2024
  • From the collision frequency, f c o l l {\displaystyle f_{\mathrm {coll} }} , given by kinetic theory the total number of hard sphere collisions in a cell...
    11 KB (1,895 words) - 01:53, 6 May 2024
  • treated as hard spheres of radius r that interact by direct contact, as illustrated in Figure 1, then the effective cross section for the collision of a pair...
    36 KB (5,772 words) - 23:50, 26 May 2024
  • Thumbnail for Coefficient of restitution
    investigating the COR of spheres with a much smaller modulus of elasticity. Otherwise, the COR will rise and then fall based on collision velocity in a more...
    27 KB (4,280 words) - 05:25, 29 August 2024
  • kinetic theory of gases, the mean free path of a particle, such as a molecule, is the average distance the particle travels between collisions with other...
    17 KB (2,378 words) - 08:48, 21 September 2023
  • single elementary step. Finally, in the past, collision theory, in which reactants are viewed as hard spheres with a particular cross-section, provided yet...
    17 KB (2,392 words) - 03:06, 31 May 2024
  • Thumbnail for Fick's laws of diffusion
    the area of the collision sphere. From dimensional analysis, there will be an equation dependent on the volume of the collision sphere but eventually,...
    56 KB (7,936 words) - 03:17, 20 July 2024
  • Illustrations of the dynamical theory of gases.—Part I. On the motions and collisions of perfectly elastic spheres", Philosophical Magazine, 19 (124):...
    32 KB (4,882 words) - 08:49, 2 May 2024
  • Thumbnail for Ramsauer–Townsend effect
    probability of collision. If one tries to predict the probability of collision with a classical model that treats the electron and atom as hard spheres, one finds...
    6 KB (644 words) - 04:28, 6 December 2023
  • Thumbnail for History of atomic theory
    "Illustrations of the dynamical theory of gases. Part I. On the motions and collisions of perfectly elastic spheres," Philosophical Magazine, 4th series...
    70 KB (9,130 words) - 19:29, 25 August 2024
  • matter with microscopic hard spheres of uniform size. He concluded that only in the instance of perfectly inelastic collisions (zero reflection) would...
    83 KB (11,200 words) - 10:10, 31 May 2024
  • discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential...
    190 KB (19,589 words) - 02:36, 29 August 2024
  • that quantum effects can be neglected. A system of hard spheres, interacting only by hard collisions (e.g., billiards, marbles), is a model classical fluid...
    2 KB (241 words) - 17:28, 23 May 2024
  • Thumbnail for Michael Atiyah
    representations), Graeme Segal (equivariant K-theory), Alexander Shapiro (Clifford algebras), L. Smith (homotopy groups of spheres), Paul Sutcliffe (polyhedra), David...
    82 KB (8,785 words) - 05:22, 2 September 2024
  • contact diameter of the particles. For molecules behaving like hard, elastic spheres, this value can be computed from the Carnahan-Starling Equation...
    14 KB (1,630 words) - 16:19, 6 June 2024
  • Thumbnail for Impact event
    An impact event is a collision between astronomical objects causing measurable effects. Impact events have been found to regularly occur in planetary...
    107 KB (12,087 words) - 19:00, 28 August 2024
  • Thumbnail for Unmoved mover
    Conceptions of God Dynamics of the celestial spheres – Classical theories concerning movement of spheres Existence of God Henosis – Classical Greek word...
    28 KB (3,481 words) - 04:26, 6 July 2024
  • Thumbnail for Transition state theory
    the reaction using collision theory, based on the kinetic theory of gases. Collision theory treats reacting molecules as hard spheres colliding with one...
    41 KB (5,817 words) - 07:25, 23 July 2024
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