Chemistry is often referred to as the “central science” because it connects the various other sciences, like physics, materials science, nanotechnology, biology, pharmacy, medicine, bio informatics, and geology [1]. This connection arises through the various sub disciplines that utilizes concepts from various disciplines. For example, physical chemistry involves the application of physical principles to the matter at the atomic and molecular level.
Chemicals associated with the interaction of matter that could involve two substances or between matter and energy, particularly in relation to the first law of thermodynamics. Traditional chemistry involves interactions between chemicals in a chemical reaction, which converts one or more substances into one or more other substances. Sometimes the reaction is driven by enthalpy considerations, such as when two high enthalpy substances such as elemental hydrogen and oxygen react to form water, a substance with a lower enthalpy. Chemical reactions can be facilitated by a catalyst, which generally represents the other chemicals involved in the reaction medium but not consumed (for example, is that catalyze the sulfuric acid electrolysis of water) or immaterial phenomena (such as electromagnetic radiation in the photochemical reaction). Also handle the traditional chemical analysis of chemical substances, both inside and outside of a reaction, such as in spectroscopy.
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