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Hydrogen Peroxide and Water Differences

On the difference between hydrogen peroxide and water
Water and hydrogen peroxide, both of which are composed of hydrogen and oxygen, but their properties are significantly different.

Water, with the chemical formula\ (H 2O O\), is the most common compound in the world. Its molecular structure is stable, and it is connected by a covalent bond between one oxygen atom and two hydrogen atoms in an angular structure. Under normal circumstances, water is a colorless, odorless, and odorless transparent liquid with a boiling point of\ (100 ° C\) and a freezing point of\ (0 ° C\). The chemical properties of water are relatively stable, neither easily oxidized nor reduced. It is a good solvent for many chemical reactions. It plays a crucial role in life activities and participates in many physiological processes such as human metabolism and nutrient transportation.

Hydrogen peroxide, with the chemical formula\ (H ² O ²\), has one more oxygen atom in its molecular structure than water, showing a unique peroxide bond structure. Hydrogen peroxide also appears as a colorless and transparent liquid, but it has a weak irritating odor. Compared with water, hydrogen peroxide is more reactive chemically and has poor stability. Under the conditions of light, heat or catalyst, it is easily decomposed to generate water and oxygen, which makes it unique in many fields. For example, in the medical field, it is often used as a disinfectant to kill bacteria and viruses with its strong oxidative properties; in industry, it can be used to bleach fabrics, pulp, etc.

The physical properties of the two are also different. Hydrogen peroxide has a slightly higher density than water, its melting point is\ (-0.43 ° C\), and its boiling point is\ (150.2 ° C\). In addition, hydrogen peroxide is more polar than water, which makes it different from water in terms of solubility.

To sum up, although both water and hydrogen peroxide contain hydrogen and oxygen elements, due to their different structures, they show many differences in chemical properties and physical properties, and play unique roles in different fields.