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Chapter 4

Chemical Quantities and Aqueous Reactions

סטויכיומטריה של תגובה
סטויכיומטריה של תגובה
A balanced chemical equation provides a great deal of information in a very succinct format. Chemical formulas provide the identities of the reactants and ...
גורם מגביל
גורם מגביל
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in ...
ניצולת תגובה
ניצולת תגובה
The theoretical yield of a reaction is the amount of product estimated to form based on the stoichiometry of the balanced chemical equation. The ...
תכונות כלליות של תמיסות
תכונות כלליות של תמיסות
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 ...
ריכוז ודילול תמיסה
ריכוז ודילול תמיסה
The relative amount of a given solution component is known as its concentration. Often, though not always, a solution contains one component with a ...
תמיסות אלקטרוליטיות ולא אקלטרוליטיות
תמיסות אלקטרוליטיות ולא אקלטרוליטיות
Substances that undergo either a physical or a chemical change in solution to yield ions that can conduct electricity are called electrolytes. If a ...
מסיסות של תרכובות יונית
מסיסות של תרכובות יונית
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. ...
תגובות כימיות בתמיסות מימיות
תגובות כימיות בתמיסות מימיות
Chemical substances interact in many different ways. Certain chemical reactions exhibit common patterns of reactivity. Due to the vast number of chemical ...
תגובות שיקוע
תגובות שיקוע
In a precipitation reaction, aqueous solutions of soluble salts react to give an insoluble ionic compound – the precipitate. The reaction occurs ...
תגובות חמצון-חיזור
תגובות חמצון-חיזור
Oxidation–Reduction Reactions Earth’s atmosphere contains about 20% molecular oxygen, O2, a chemically reactive gas that plays an essential ...
מספרי חמצון
מספרי חמצון
In redox reactions, the transfer of electrons occurs between reacting species. Electron transfer is described by a hypothetical number called the ...
חומצות,בסיסים ותגובות סתירה
חומצות,בסיסים ותגובות סתירה
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 ...
תגובות יצירה ופירוק
תגובות יצירה ופירוק
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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