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Molecularity, on the other hand, is deduced from the mechanism of an elementary reaction, and is used only in context of an elementary reaction. It is the number of molecules taking part in this reaction. This difference can be illustrated on the reaction between nitric oxide and hydrogen: [11]
It is a sister site to The Free Dictionary and usage examples in the form of "references in classic literature" taken from the site's collection are used on The Free Dictionary 's definition pages. In addition, double-clicking on a word in the site's collection of reference materials brings up the word's definition on The Free Dictionary.
Psychology is the scientific study of mind and behavior. [1] [2] Its subject matter includes the behavior of humans and nonhumans, both conscious and unconscious phenomena, and mental processes such as thoughts, feelings, and motives.
The semantic differential used factor analysis to determine the main meanings of words, finding that the ethical value of words is the first factor. More controlled experiments examine the categorical relationships of words in free recall. The hierarchical structure of words has been explicitly mapped in George Miller's WordNet.
A meaning explains the occurrence of a particular word in the sense that if there had been a different meaning to be expressed, a different word would probably have appeared. Meaning has certain advantages over ideas because they have the possibility to be located outside the skin, and thus, according to Skinner, meanings can be observed directly.
In early psychology, it was believed that passion (emotion) was a part of the soul inherited from the animals and that it must be controlled. Solomon [ clarification needed ] identified that in the Romantic movement of the eighteenth and nineteenth centuries, reason and emotion were discovered to be opposites.
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The definition of the molecule has evolved as knowledge of the structure of molecules has increased. Earlier definitions were less precise, defining molecules as the smallest particles of pure chemical substances that still retain their composition and chemical properties. [13]