Химические количества и водные реакции

A balanced chemical equation provides a great deal of information in a very succinct format. Chemical formulas provide the identities of the reactants and …

The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in …

The theoretical yield of a reaction is the amount of product estimated to form based on the stoichiometry of the balanced chemical equation. The …

Many common substances around us exist as a solution, such as ocean water, air, and gasoline. All solutions are mixtures of substances that are composed …

The relative amount of a given solution component is known as its concentration. Often, though not always, a solution contains one component with a …

Substances that undergo either a physical or a chemical change in solution to yield ions that can conduct electricity are called electrolytes. If a …

Solubility is the measure of the maximum amount of solute that can be dissolved in a given quantity of solvent at a given temperature and pressure. …

Chemical substances interact in many different ways. Certain chemical reactions exhibit common patterns of reactivity. Due to the vast number of chemical …

In a precipitation reaction, aqueous solutions of soluble salts react to give an insoluble ionic compound – the precipitate. The reaction occurs …

Oxidation–Reduction Reactions Earth’s atmosphere contains about 20% molecular oxygen, O2, a chemically reactive gas that plays an essential …

In redox reactions, the transfer of electrons occurs between reacting species. Electron transfer is described by a hypothetical number called the …

An acid-base reaction is one in which a hydrogen ion, H+, is transferred from one chemical species to another. Such reactions are of central importance to …

Synthesis and decomposition are two types of redox reactions. Synthesis means to make something, whereas decomposition means to break something. The …