What Is Element Cl Equals: A Comprehensive Guide

In chemistry, equivalent weight refers to the quantity of a substance that reacts exactly with another substance in a particular reaction. The concept of equivalent weight has been largely replaced by molar mass, which is the mass of one mole of a substance. However, understanding equivalent weight is still important for chemists and researchers.

Definition of Equivalent Weight

Equivalent weight is defined as the gram atomic weight of an element divided by its valence or combining power. In other words, it represents the amount of an element that reacts with another element to form a compound. For example, the equivalent weight of silver (Ag) is 107.868 grams per mole, while the equivalent weight of magnesium (Mg) is 24.312/2 grams per mole.

History of Chlorine

Chlorine was first discovered in 1774 by Carl Wilhelm Scheele, a Swedish chemist. At the time, he reacted manganese dioxide with hydrochloric acid to produce chlorine gas. However, it took many years for Humphrey Davy to conclude that the new gas was indeed a new element, which he named chlorine after the Greek word 'Chloros,' meaning yellow-green.

Properties of Chlorine

Chlorine is a non-metallic gas with a pungent smell and a melting point of -155°C. It has a boiling point of -100°C and is located in Group 17 of the periodic table, along with other halogens such as fluorine and bromine. Chlorine is also highly reactive and has antiseptic properties.

Uses of Chlorine

Chlorine has many practical applications. In swimming pools, chlorine gas is used to disinfect the water and kill bacteria. It is also used in the production of many plastics, including PVC, as well as insecticides and solvents. Additionally, chlorine is used to make drinking water safe by killing bacteria.

In conclusion, equivalent weight is an important concept in chemistry that represents the quantity of a substance that reacts exactly with another substance in a particular reaction. Chlorine is one such element with a rich history and many practical applications. Understanding the properties and uses of chlorine can help us appreciate its importance in our daily lives.

Element cl equals