The expression Gay-Lussac's law is used for each of the two relationships named after the French chemist Joseph Louis Gay-Lussac and which concern the properties
Atoms sticking together in molecules or crystals are said to be bonded with one another. A chemical bond may be visualized as the multipole balance between the po
The Harmonized Commodity Description and Coding System (HS) of tariff nomenclature is an internationally standardized system of names and numbers for classifying
Kashrut (also kashruth or kashrus) is the set of Jewish dietary laws. Food in accord with halakha (Jewish law) is termed kosher in English, from the Ashkenaz
The International Organization for Standardization, widely known as ISO, is an international standard-setting body composed of representatives from various nation
Polymer chemistry or macromolecular chemistry is a multidisciplinary science that deals with the chemical synthesis and chemical properties of polymers or macromo
Bioplastics or organic plastics are a form of plastics derived from renewable biomass sources, such as vegetable oil, corn Starch, pea starch, or microbiota, rath
Biopolymers are polymers produced by living organisms. Since they are polymers, Biopolymers contain monomeric units that are covalently bonded to form larger stru
In chemistry, pH is a measure of the acidity or basicity of an aqueous solution. Pure water is said to be neutral, with a pH close to 7.0 at 25 °C (77 °F)
A reducing agent (also called a reductant or reducer) is the element or compound in a reduction-oxidation (redox) reaction that donates an electron to another spe
An oxidizing agent (also called an oxidant, oxidizer or oxidiser) can be defined as either: a chemical compound that readily transfers oxygen atoms, or a substanc
Carbon is the chemical element with symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalent—making fo
Medicinal chemistry or pharmaceutical chemistry is a discipline at the intersection of chemistry, pharmacology, and biology involved with designing, synthesizing
The discovery of the elements known to exist today is presented here in chronological order. The elements are listed generally in the order in which each was firs
Redox is a concept related to the ability of atoms of various substances to lose or gain electrons. Substances that have the ability to oxidize other substan
In the physical sciences, a phase is a region of space, throughout which all physical properties of a material are essentially uniform. Examples of physical prope
The law of conservation of mass, also known as principle of mass/matter conservation is that the mass of a closed system will remain constant over time. This is m
The law of conservation of energy is an empirical law of physics. A consequence of this law is that energy can neither be created or destroyed: it can only b
Charles's law (also known as the law of volumes) is an experimental gas law which describes how gases tend to expand when heated. Gay-Lussac was the first to
