chemistry Flashcards
Acid definition
a substance that, when dissolved in water, increases the concentration of H+ ions
Base definition
a substance that, when dissolved in water, increases the concentration of OH- ions
Brønsted-Lowery acid definition
molecule or ion that donates a proton to another substance
Brønsted-Lowery base definition
substance that accepts a proton
Equilibrium definition
the forward and reverse reactions occur at equal rates and concentrations of products and reactants remain constant
Strong acid proton transfer
completely transfers its protons to water
its conjugate base doesn’t readily accept protons
Weak acid proton transfer
partially ionises in aqueous solutions
Acid dissociation constant
Ka = [H3O+][A-] / [HA]
Ka = [H+][A-] / [HA]