Chem Key Words

Arrhenius base

a substance that releases hydroxide ions when dissolved in water

proton donor

a term used interchangeable with hydrogen ion doner

proton accepter

a term used interchangeably with hydrogen ion acceptor

strong electrolyte

an aqueous solution that is a good conductor of electricity

weak electrolyte

an aqueous solution that is a poor conductor of electricity

Bronsted-Law Base

A substance that accepts a proton in an acid-base reaction

Arrhenius Acid

A substance that releases hydrogen ions when dissolved in water

net ionic equation

a chemical equation that represents an ionic reaction after spectator ions have been canceled

total ionic equation

a chemical equation that represents highly ionized substances in the ionic form and slightly ionized substance in the non ionized form

acid-base indicator

a chemical substance that changes color according to the pH of the solution

ionization constant of water

a constant that equals the product of the molar hydrogen ion concentration and the molar hydroxide ion concentration

titration

a procedure for delivering a measured volume of solution through a buret

salt

a product obtained from a neutralization reaction in addition to water

buffer

a solution that changes in pH when acid or a base is added

standard solution

a solution whose concentration has been established precisely

amphiprotic

a substance capable of either accepting or donating a proton in an acid-base reaction

Bronsted-Lowry acid

a substance that donates a proton in an acid-base reaction

spectator ions

ions that are in aqueous solution but do not appear in the net ionic equations

hydronium ion

the ion that best represents the hydrogen ion in aqueous solution

pH

the molar hydrogen ion concentration expressed on an exponential scale

ionization

the process of a polar compound dissolving in water and forming positive and negative ions

dissociation

the process of an ionic compound dissolving in water and separating into positive and negative ions

endpoint

the stage in a titration when the indicator changes color