• 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) - 05:09, 30 September 2024
  • Thumbnail for Giant-impact hypothesis
    other star systems of similar collisions, resulting in debris discs. Giant collisions are consistent with the leading theory of the formation of the Solar...
    60 KB (6,880 words) - 21:30, 31 October 2024
  • Thumbnail for Nebular hypothesis
    nebular theory are echoed in modern theories of planetary formation, but most elements have been superseded. According to the nebular theory, stars form...
    75 KB (9,172 words) - 06:52, 3 November 2024
  • Thumbnail for Kinetic theory of gases
    obvious to physicists how the collisions between molecules could be perfectly elastic.: 36–37  Pioneers of the kinetic theory, whose work was also largely...
    53 KB (7,901 words) - 15:00, 2 November 2024
  • {-E_{\text{a}}}{RT}}} ⁠, so that the collision theory predicts that the pre-exponential factor is equal to the collision number zAB. However for many reactions...
    21 KB (2,776 words) - 14:33, 31 October 2024
  • Thumbnail for Inelastic collision
    An inelastic collision, in contrast to an elastic collision, is a collision in which kinetic energy is not conserved due to the action of internal friction...
    8 KB (1,293 words) - 18:57, 25 August 2024
  • The steric factor, usually denoted ρ, is a quantity used in collision theory. Also called the probability factor, the steric factor is defined as the ratio...
    2 KB (264 words) - 17:43, 23 May 2021
  • pair theory — Baeyer strain theory — Quantum theory of atoms in molecules — Collision theory — Ligand field theory (successor to Crystal field theory) —...
    38 KB (4,356 words) - 22:54, 24 August 2024
  • For that reason, it is often called frequency factor. According to collision theory, the frequency factor, A, depends on how often molecules collide when...
    2 KB (281 words) - 04:32, 6 February 2024
  • Thumbnail for Fick's laws of diffusion
    analogy to the result from collision theory by replacing the moving speed of the molecule with diffusive flux. In the collision theory, the traveling time between...
    57 KB (8,148 words) - 06:53, 18 October 2024
  • constant C, where α = 0, 1⁄2, and 1 give Arrhenius theory, collision theory, and transition state theory, respectively, although the imprecise notion of...
    17 KB (2,387 words) - 00:47, 18 October 2024
  • (psychological tests) Steric effect (chemical kinetics) (chemical reactions) (collision theory) (molecular geometry) (stereochemistry) Subadditivity effect (cognitive...
    34 KB (3,458 words) - 17:41, 5 October 2024
  • Thumbnail for Boyle's law
    molecules and assumptions about motion and perfectly elastic collisions (see kinetic theory of gases). These assumptions were met with enormous resistance...
    18 KB (2,300 words) - 04:20, 24 October 2024
  • Thumbnail for Collision
    Collision detection Contact mechanics Elastic collision Friction Impact crater Impact event Inelastic collision Kinetic theory of gases - collisions between...
    11 KB (1,290 words) - 20:32, 31 May 2024
  • This rate expression can be derived from first principles by using collision theory for ideal gases. For the case of dilute fluids equivalent results have...
    4 KB (479 words) - 09:23, 4 April 2024
  • Chemistry: collision theory, kinetic theory of gases, Lewis theory, molecular theory, molecular orbital theory, transition state theory, valence bond theory Physics:...
    54 KB (6,932 words) - 16:09, 3 November 2024
  • Thumbnail for Reaction rate
    by the rate law and explained by collision theory. As reactant concentration increases, the frequency of collision increases. The rate of gaseous reactions...
    26 KB (3,716 words) - 19:46, 19 September 2024
  • Thumbnail for Transition state theory
    studied the rate of the reaction using collision theory, based on the kinetic theory of gases. Collision theory treats reacting molecules as hard spheres...
    41 KB (5,818 words) - 15:16, 21 October 2024
  • Thumbnail for Satellite system (astronomy)
    could, over time, coalesce to form natural satellites. Collision is one of the leading theories for the formation of satellite systems, particularly those...
    41 KB (4,376 words) - 23:22, 12 September 2024
  • Thumbnail for Large Hadron Collider
    in lead–lead collisions and proton–lead collisions. The LHC's goal is to allow physicists to test the predictions of different theories of particle physics...
    108 KB (10,721 words) - 09:48, 19 October 2024
  • Thumbnail for Origin of the Moon
    together (condensation theory, synestia), planetesimal collisions (formed from asteroid-like bodies), and collision theories. The standard giant-impact...
    30 KB (3,404 words) - 06:41, 30 October 2024
  • Thumbnail for Traffic collision
    A traffic collision, also known as a motor vehicle collision, or car crash, occurs when a vehicle collides with another vehicle, pedestrian, animal, road...
    100 KB (11,144 words) - 22:29, 2 November 2024
  • Thumbnail for Chemical reaction
    reaction rate is the collision theory. More realistic models are tailored to a specific problem and include the transition state theory, the calculation of...
    66 KB (8,043 words) - 01:08, 14 October 2024
  • Thumbnail for Elastic collision
    In physics, an elastic collision is an encounter (collision) between two bodies in which the total kinetic energy of the two bodies remains the same. In...
    24 KB (5,679 words) - 22:00, 25 July 2024
  • In game theory, a focal point (or Schelling point) is a solution that people tend to choose by default in the absence of communication in order to avoid...
    12 KB (1,691 words) - 01:31, 29 August 2024
  • Thumbnail for Steric effects
    a tetramer. An isolable selenenic acid owing to steric protection. Collision theory Intramolecular force Sterically induced reduction Reaction rate accelerate...
    11 KB (989 words) - 13:37, 29 September 2024
  • Thumbnail for Semiconductor laser theory
    doi:10.1109/JSTQE.2003.818342 Smith, F. (1960). "Lifetime Matrix in Collision Theory". Physical Review 118 (1): 349–356. doi:10.1103/PhysRev.118.349 Kira...
    10 KB (1,239 words) - 21:05, 29 December 2023
  • Thumbnail for Theoretical chemistry
    includes: bimolecular kinetics and the collision theory of reactions and energy transfer; unimolecular rate theory and metastable states; condensed-phase...
    8 KB (962 words) - 00:43, 5 September 2024
  • Thumbnail for Activated complex
    complex and reactant molecules. The theory incorporates concepts from collision theory, which states that for a reaction to occur, reacting molecules must...
    7 KB (912 words) - 13:35, 21 October 2024
  • had been caused by a collision with a NATO submarine. When Putin dismissed them, he made a point of repudiating the collision theory.: 163  In another example...
    138 KB (15,897 words) - 14:46, 19 September 2024