Skip to content

Environmental Chemistry by John Moore (Auth.)

By John Moore (Auth.)

Show description

Read Online or Download Environmental Chemistry PDF

Similar general & reference books

Developments in Ceramic Materials Research

Ceramics are refractory, inorganic, and non-metallic fabrics. they are often divided into sessions: conventional and complex. conventional ceramics contain clay items, silicate glass and cement; whereas complex ceramics include carbides (SiC), natural oxides (Al2O3), nitrides (Si3N4), non-silicate glasses and so forth.

Protecting groups

Indicates that natural chemistry performs a pivotal function in technological know-how, starting from biology to fabrics technological know-how and that it turns into the most important to strengthen mechanisms to speak to the entire diversified audiences. This identify comes in either hardcover and flexibind variants

A Universe of Atoms, An Atom in the Universe

Nearly 10 years have handed because the booklet of And but 1 It strikes: unusual structures and refined Questions in Physics. in this time, the booklet has performed rather well, being obtained favorably via either readers and reviewers. The exhaustion of the final printing has given me the chance to make revisions.

Additional resources for Environmental Chemistry

Sample text

The Development of the Solid Earth pm). Because lithium ions (r = 68 pm) are so small they are able to substi­ tute for Mg 2+ (r = 65 pm) but not for Na + or K + . Despite their chemical similarities the variation in ionic radius of the alkali metals results in their occurrence in quite different minerals. Another sequence of minerals was probably deposited by fractional crys­ tallization as the hot earth cooled. These are the ferromagnesian sub­ stances: olivine, pyroxene, amphibole, and biotite.

The latter is more highly concentrated in the upper portion of the mantle and in the crust, whereas CaAl2Si208 concen­ trates at greater depths. Note that the much larger size of K+ (r = 133 pm) makes its substitution for Ca2+ much more difficult. The mineral orthoclase, KAlSi 3 0 8 , is well known, but its crystal structure has completely dif­ ferent symmetry properties from those of anorthite, labradorite, and albite. 16 Density (g/cm3) 2. The Development of the Solid Earth 32 оЛ° %£о «\> o 4 О^0 (olivine) (a) o (b) o o o V4 ?

157. Academic Press, New York, 1965. J. W. Forrester, in 'Toward Global Equilibrium: Collected Papers" (D. L. Meadows and D. H. ), Chapter 1. , Cambridge, Massachusetts, 1973. 3. Chemical Evolution and the Origin of Life 50 H ^C = NH + HCN ? 3d) O*S>H O^NH2 (Glycine) More recent work has indicated that polymerization of H C N , apparently by successive additions of HCN across the C = N triple bond, may be in­ volved in the synthesis of many biologically important molecules. 4, oligomers through the tetramer have been charac­ terized.

Download PDF sample

Rated 4.45 of 5 – based on 6 votes