What are the principles of chemistry?How are they applied?
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Answers
Answer:
Explanation:
An often-used measure of waste is the E-factor, described by Roger Sheldon, which relates the weight of waste coproduced to the weight of the desired product. More recently, the ACS Green Chemistry Institute Pharmaceutical Roundtable (ACS GCIPR) has favored process mass intensity, which expresses a ratio of the weights of all materials (water, organic solvents, raw materials, reagents, process aids) used to the weight of the active drug ingredient (API) produced. This is an important roundtable focus because of the historically large amount of waste coproduced during drug manufacturing—more than 100 kilos per kilo of API in many cases. However, when companies apply green chemistry principles to the design of the API process, dramatic reductions in waste are often achieved, sometimes as much as ten-fold. So, it is important to extend the impressive results achieved by the ACS GCIPR to all parts of the drug industry, especially the biopharma and generic sectors, as well as to other sectors of the chemical enterprise where synthetic chemistry is used to produce their products.
Answer:
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The following topic areas are the most basic concepts that a sucessful chemistry student needs to master:
Chemical Nomenclature(this unit required for credit)
Atomic Structure.
Periodic Table.
Lewis Structure.
Chemical Reactions.
Stoichiometry.
Acid-Base Chemistry.