The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 41
... change during which either two or more substances change or one sub- stance changes into at least two other substances . It then deals with the methods of classifying chemical reactions . The articles referred to here treat the ...
... change during which either two or more substances change or one sub- stance changes into at least two other substances . It then deals with the methods of classifying chemical reactions . The articles referred to here treat the ...
Page 42
... changes involved : exothermic and endothermic 2. The significance of activation energy in chemical reactions 3. Thermodynamic relations in chemical reactions a . Chemical equilibrium b . Free energy changes and entropy changes in ...
... changes involved : exothermic and endothermic 2. The significance of activation energy in chemical reactions 3. Thermodynamic relations in chemical reactions a . Chemical equilibrium b . Free energy changes and entropy changes in ...
Page 103
... change : the orders of magnitude and time scales of climatic variations ; the distinction between oscillatory fluctuations and progressive changes b . Evidence of pre - Pleistocene climatic changes i . Types of data ; e.g. , the ...
... change : the orders of magnitude and time scales of climatic variations ; the distinction between oscillatory fluctuations and progressive changes b . Evidence of pre - Pleistocene climatic changes i . Types of data ; e.g. , the ...
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20th century administration Africa animals articles article sections articles referred arts Asia atomic basic behaviour biological Buddhism cells century characteristics chemical Christian civil classification communication concept cultural deals diseases distribution diverse Division II Division II headnote dynasty Earth economic effects elements Empire energy environment European evolution factors forms functions genetic goes groups growth headnote see page Hinduism Historical development Hominidae human hydrosphere Indian industry influence interactions Islām language literature logic Macropædia main subjects mathematics mechanisms methods military modern movements nature nuclear nuclear fission organization origin outline of subject outline treats passim period philosophy physical plants political problems processes production Propædia properties reactions reforms relation religion religious role sciences sections of Division sections other references social society Southwest Asia structure subject A begins Taoism techniques theory tion tissues types waves Western World War II