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Chapter 4

Химические количества и водные реакции

Стехиометрия реакции
Стехиометрия 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 ...
Ограничивающий реагент
Ограничивающий реагент
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in ...
Выход реакции
Выход реакции
The theoretical yield of a reaction is the amount of product estimated to form based on the stoichiometry of the balanced chemical equation. The ...
Общие свойства растворов
Общие свойства растворов
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 ...
Концентрация и разбавление растворов
Концентрация и разбавление растворов
The relative amount of a given solution component is known as its concentration. Often, though not always, a solution contains one component with a ...
Растворы электролитов и неэлектролитов
Растворы электролитов и неэлектролитов
Substances that undergo either a physical or a chemical change in solution to yield ions that can conduct electricity are called electrolytes. If a ...
Растворимость ионных соединений
Растворимость ионных соединений
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. ...
Химические реакции в водных растворах
Химические реакции в водных растворах
Chemical substances interact in many different ways. Certain chemical reactions exhibit common patterns of reactivity. Due to the vast number of chemical ...
Реакции осаждения
Реакции осаждения
In a precipitation reaction, aqueous solutions of soluble salts react to give an insoluble ionic compound – the precipitate. The reaction occurs ...
Реакции окисления-восстановления.
Реакции окисления-восстановления.
Oxidation–Reduction Reactions Earth’s atmosphere contains about 20% molecular oxygen, O2, a chemically reactive gas that plays an essential ...
Числа окисления
Числа окисления
In redox reactions, the transfer of electrons occurs between reacting species. Electron transfer is described by a hypothetical number called the ...
Кислоты, основания и реакции нейтрализации
Кислоты, основания и реакции нейтрализации
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 ...
Реакции синтеза и разложения.
Реакции синтеза и разложения.
Synthesis and decomposition are two types of redox reactions. Synthesis means to make something, whereas decomposition means to break something. The ...
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