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Homogeneous and Heterogeneous Catalysis
Homogeneous and Heterogeneous Catalysis

... physisorption, induces only small changes to the electronic structure of the adsorbate. Typical energies for physisorption are from 2 to 10 kcal/mol. The second type is chemisorption, in which the adsorbate is strongly perturbed, often with bond-breaking. Energies for typical chemisorptions range fr ...
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... compounds that dissolve in a solvent are said to be soluble, while those that do not are said to be insoluble  NaCl is soluble in water, AgCl is insoluble in water  the degree of solubility depends on the temperature  even insoluble compounds dissolve, just not enough to be ...
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Green chemistry

Green chemistry, also called sustainable chemistry, is an area of chemistry and chemical engineering focused on the design of products and processes that minimize the use and generation of hazardous substances. Whereas environmental chemistry focuses on the effects of polluting chemicals on nature, green chemistry focuses on technological approaches to preventing pollution and reducing consumption of nonrenewable resources.Green chemistry overlaps with all subdisciplines of chemistry but with a particular focus on chemical synthesis, process chemistry, and chemical engineering, in industrial applications. To a lesser extent, the principles of green chemistry also affect laboratory practices. The overarching goals of green chemistry—namely, more resource-efficient and inherently safer design of molecules, materials, products, and processes—can be pursued in a wide range of contexts.
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