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The chemical compound 1,2-dichloroethane, commonly known as ethylene dichloride (EDC), is a chlorinated hydrocarbon. It is a colourless liquid with a chloroform -like odour . The most common use of 1,2-dichloroethane is in the production of vinyl chloride , which is used to make polyvinyl chloride (PVC) pipes, furniture and automobile ...
This is a list of unsolved problems in chemistry. Problems in chemistry are considered unsolved when an expert in the field considers it unsolved or when several experts in the field disagree about a solution to a problem.
In chemistry, Le Chatelier's principle (pronounced UK: / l ə ʃ æ ˈ t ɛ l j eɪ / or US: / ˈ ʃ ɑː t əl j eɪ /) [1] is a principle used to predict the effect of a change in conditions on chemical equilibrium. [2] Other names include Chatelier's principle, Braun–Le Chatelier principle, Le Chatelier–Braun principle or the equilibrium ...
The Economy 2.0 is the second edition of The Economy 1.0, CORE Econ's original introductory economics textbook. A complete rewrite of The Economy 1.0, The Economy 2.0 brings together the latest research in economics and related disciplines, with the feedback CORE Econ have received over the years from committed instructors.
Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms , molecules and ions : their composition, structure, properties, behavior and the changes they undergo during reactions with other ...
In economics, a price mechanism refers to the way in which price determines the allocation of resources and influences the quantity supplied and the quantity demanded of goods and services. The price mechanism, part of a market system , functions in various ways to match up buyers and sellers: as an incentive, a signal, and a rationing system ...
The solution to these problems is important because of the "fundamental fact of economic institution life" that ... [ 2 ] "The economic problem, "the struggle for subsistence", always has been hitherto primary, most pressing problem of the human race- not only of the human race, but of the whole of the biological kingdom from the beginnings of ...
[1] [2] As water is an excellent solvent and is also naturally abundant, it is a ubiquitous solvent in chemistry. Since water is frequently used as the solvent in experiments, the word solution refers to an aqueous solution, unless the solvent is specified. [3] [4] A non-aqueous solution is a solution in which the solvent is a liquid, but is ...