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Autoionization of Water definitions

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Termini in questo insieme (15)

  • Autoionization
    Spontaneous formation of ions when water molecules interact, producing hydronium and hydroxide in a reversible equilibrium.
  • Hydronium
    A positively charged ion formed when a water molecule gains a proton, representing the actual form of H+ in aqueous solutions.
  • Hydroxide
    A negatively charged ion resulting from water losing a proton, crucial for maintaining pH balance in biological systems.
  • Cation
    An ion with a positive charge, such as hydronium, important in acid-base chemistry and solution dynamics.
  • Anion
    An ion with a negative charge, like hydroxide, essential for understanding water's ionization and pH regulation.
  • Equilibrium
    A state where the forward and reverse reactions occur at equal rates, maintaining constant ion concentrations in water.
  • Ion Constant of Water
    A value representing the product of hydronium and hydroxide concentrations, fixed at 1×10⁻¹⁴ mol² at 298 K.
  • Kw
    A symbol for the ion constant of water, used to calculate ion concentrations and understand acid-base equilibria.
  • Proton Hopping
    A mechanism enabling rapid movement of hydronium and hydroxide ions through water by transferring protons between molecules.
  • Diffusion
    The process by which ions spread throughout a solution, accelerated for hydronium and hydroxide via proton hopping.
  • Aqueous Solution
    A mixture where water is the solvent, allowing autoionization and supporting acid-base reactions.
  • pH
    A measure of hydrogen ion concentration, influenced by the equilibrium between hydronium and hydroxide in water.
  • Acid-Base Chemistry
    The study of proton transfer reactions, relying on the behavior of hydronium and hydroxide in water.
  • 298 K
    A standard temperature for biological systems, at which the ion constant of water is typically referenced.
  • Equilibrium Constant
    A ratio of product to reactant concentrations at equilibrium, foundational for calculating Kw in water autoionization.