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Chapter 14

Химическое равновесие

Динамическое равновесие
Динамическое равновесие
A reversible chemical reaction represents a chemical process that proceeds in both forward (left to right) and reverse (right to left) directions. When ...
Константа равновесия
Константа равновесия
Consider the oxidation of sulfur dioxide: For a reaction that begins with a mixture of reactants only, the product concentration is initially equal to ...
Равновесия для газовых и гетерогенных реакций.
Равновесия для газовых и гетерогенных реакций.
Homogeneous Equilibria for Gaseous Reactions For gas-phase reactions, the equilibrium constant may be expressed in terms of either the molar ...
Расчет константы равновесия
Расчет константы равновесия
The equilibrium constant for a reaction is calculated from the equilibrium concentrations (or pressures) of its reactants and products. If these ...
Коэффициент реакции
Коэффициент реакции
The status of a reversible reaction is conveniently assessed by evaluating its reaction quotient (Q). For a reversible reaction described by m A + n B ...
Расчет равновесных концентраций
Расчет равновесных концентраций
Being able to calculate equilibrium concentrations is essential to many areas of science and technology—for example, in the formulation and dosing ...
Принцип Ле Шателье: изменение концентрации
Принцип Ле Шателье: изменение концентрации
A system at equilibrium is in a state of dynamic balance, with forward and reverse reactions taking place at equal rates. If an equilibrium system is ...
Принцип Ле Шателье: изменение объема (давления)
Принцип Ле Шателье: изменение объема (давления)
For gas-phase equilibria, changes in the concentrations of reactants and products can occur with altered volume and pressure. The partial pressure, P, of ...
Принцип ЛеШателье: изменение температуры
Принцип ЛеШателье: изменение температуры
Consistent with the law of mass action, an equilibrium stressed by a change in concentration will shift to re-establish equilibrium without any change in ...
Предположение малого x
Предположение малого x
If a reaction has a small equilibrium constant, the equilibrium position favors the reactants. In such reactions, a negligible change in concentration may ...
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