Stoichiometry of Chemical Reactions

These flashcards cover key vocabulary terms related to stoichiometry, chemical reactions, and quantitative analysis in chemistry.

Stoichiometry

The calculation of the quantities of reactants and products in chemical reactions.

Chemical Equation

A symbolic representation of a chemical reaction using symbols and formulas of the reactants and products.

Reactants

Substances that undergo a chemical change in a reaction.

Products

Substances formed as a result of a chemical reaction.

Balanced Equation

An equation in which the number of atoms for each element is the same on both sides of the equation.

Coefficient

A number placed before a chemical formula in an equation to indicate the number of molecules or moles.

Limiting Reactant

The reactant that is consumed first and limits the amount of product that can be formed.

Theoretical Yield

The maximum amount of product that can be produced from a given amount of reactants.

Actual Yield

The amount of product actually obtained from a chemical reaction.

Percent Yield

A measure of the efficiency of a reaction calculated as (actual yield / theoretical yield) x 100.

Complete Ionic Equation

An equation that shows all soluble ionic substances as they exist in solution.

Net Ionic Equation

An equation that shows only the species that actually change during the reaction, excluding spectator ions.

Acid-Base Reaction

A reaction that involves the transfer of protons (H+ ions) from one reactant to another.

Precipitation Reaction

A reaction in which dissolved substances react to form one or more solid products.

Oxidation-Reduction Reaction (Redox)

Reactions that involve the transfer of electrons between two species.

Molarity

A concentration unit defined as the number of moles of solute divided by the volume of solution in liters.

Titration

An analytical method used to determine the concentration of a solution by reacting it with a solution of known concentration.