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Chapter 4

气体

反应化学计量
反应化学计量
A balanced chemical equation provides a great deal of information in a very succinct format. Chemical formulas provide the identities of the reactants and ...
限量反应物
限量反应物
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in ...
反应收率
反应收率
The theoretical yield of a reaction is the amount of product estimated to form based on the stoichiometry of the balanced chemical equation. The ...
溶液的一般属性
溶液的一般属性
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 ...
溶液浓度和稀释
溶液浓度和稀释
The relative amount of a given solution component is known as its concentration. Often, though not always, a solution contains one component with a ...
电解质溶液和非电解质溶液
电解质溶液和非电解质溶液
Substances that undergo either a physical or a chemical change in solution to yield ions that can conduct electricity are called electrolytes. If a ...
离子化合物的溶解度
离子化合物的溶解度
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. ...
水溶液中的化学反应
水溶液中的化学反应
Chemical substances interact in many different ways. Certain chemical reactions exhibit common patterns of reactivity. Due to the vast number of chemical ...
沉淀反应
沉淀反应
In a precipitation reaction, aqueous solutions of soluble salts react to give an insoluble ionic compound – the precipitate. The reaction occurs ...
氧化还原反应
氧化还原反应
Oxidation–Reduction Reactions Earth’s atmosphere contains about 20% molecular oxygen, O2, a chemically reactive gas that plays an essential ...
氧化数
氧化数
In redox reactions, the transfer of electrons occurs between reacting species. Electron transfer is described by a hypothetical number called the ...
酸、碱与中和反应
酸、碱与中和反应
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 ...
合成与分解反应
合成与分解反应
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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