The mental and physical state of the smoker, and the situation in which smoking occurs, influence the way in which a cigarette affects psychological states and physiological responses.3. In order to provide a strong psychoactive reaction, nicotine must be delivered rapidly to the brain.
Redox Reactions Redox reactions, or oxidation-reduction reactions, have a number of similarities to acid-base reactions. Fundamentally, redox reactions are a family of reactions that are concerned with the transfer of electrons between species.
By Anne Marie Helmenstine, Ph.D. Displacement Reaction Definition: A displacement reaction is a type of reaction where part of one reactant is replaced by another reactant. Single displacement reactions are reactions where one reactant replaces part of the other. AB + C â AC + B.