Dictionary of Chemistry [6th Ed.]
posited from solutions containing a sufÜcient excess of sulphuric acid. irreducible representation A representation of a symmetr ...
elements present, IUPAC name gen- eration, and viewing in RasMol. A A limited version of ISIS/Draw at the Elsevier MDL website ...
have different positions of groups with respect to a double bond or ring or central atom (see illustration). Octahedral complexe ...
the structure is a mer-isomer (merid- ional). If the three X ligands are all on one face of the octahedron and the three Y ligan ...
isoprene A colourless liquid diene, CH 2 :C(CH 3 )CH:CH 2. The systematic name is 2-methylbuta-1,3-diene. The isoprene structure ...
tional nongovernmental body formed in 1919 to foster worldwide communications in chemical science, both academic and industrial. ...
J Jablonski diagramA diagram that represents the electronic energy levels (and their relative positions) of a molecule. A Jablon ...
ized by j-j coupling. The multiplets of many atoms and nuclei are interme- diate between j-j coupling and *Rus- sell–Saunders co ...
K kainiteA naturally occurring dou- ble salt of magnesium sulphate and potassium chloride, MgSO 4 .KCl.3H 2 O. kaliniteA mineral ...
Joule–Kelvin) effect. His main theo- retical work was in {thermodynam- ics}, in which he stressed the importance of the conserva ...
that is used illegally as a club drug. It is a class A drug in the UK. ketene(keten)1.The compound CH 2 =C=O (ethenone). It can ...
atomite)A softÜne-grained deposit consisting of the siliceous skeletal re- mains of diatoms, formed in lakes and ponds. Kieselgu ...
ture of a gas is proportional to the mean square speed of its molecules. As the average kinetic *energy of translation of the mo ...
knocking The metallic sound pro- duced by a spark-ignition petrol en- gine under certain conditions. It is caused by rapid combu ...
analysed by the*Debye– Hückel–On- sager theory. Kohlrausch’s law If a salt is dis- solved in water, the conductivity of the (dil ...
the electron transport chain. The two-carbon acetyl coenzyme A (acetyl CoA) reacts with the four-carbon ox- aloacetate to form t ...
bers 78, 80, 82, 83, 84) and there are Üve radioactive isotopes (76, 77, 79, 81, 85). Krypton–85 (half-life 10.76 years) is prod ...
L labellingThe process of replacing a stable atom in a compound with a ra- dioisotope of the same element to enable its path thr ...
dation of propan-1,2-diol using dilute nitric acid. Lactic acid is manufac- tured by the fermentation of lactose (from milk) and ...
LagrangianSymbol L. A function used to deÜne a dynamical system in terms of functions of coordinates, ve- locities, and times gi ...
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