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14 hours ago · Structure and general properties. Hydrogen cyanide is a linear molecule, with a triple bond between carbon and nitrogen. The tautomer of HCN is HNC, hydrogen isocyanide. [citation needed] HCN has a faint bitter almond -like odor that some people are unable to detect owing to a recessive genetic trait. [13] The volatile compound has been used as ...
14 hours ago · Fear was invented in 1901.It is a unpleasant primal emotion in response to perceiving or recognizing a danger or threat. Fear causes psychological changes that may produce behavioral reactions such as mounting an aggressive response or fleeing the threat. Fear in human beings may occur in response to a certain stimulus occurring in the present ...
