Diane is taking a shower and when she hears her son flush the toilet she gets a rush of very hot water. This happens several tim
es. One day when Diane is at a friend's house she hears someone flush a toilet and she twitches just a bit. Diane's twitching to the sound of a toilet flushing is an example of a conditioned response.
A conditioned response is a reflex action or behaviour that has been learned or mastered over a period of time following a repeated witness of a neutral stimulus and a potent stimulus. Conditioned response is a type of classical conditioning concept proposed by Ivan Pavlov. He noted that individual respond with some kinds of behavior as a result of some particular kinds of stimulus cues.
In this question, Diane has been configured to twitch (reflex behaviour) over time to the sound of a toilet flushing
The system is contained in a constant-volume container and thermally and mechanically isolated from its surroundings. In this state, the state of equilibrium, both the reactants and the product are in a concentration which have no tendency to change with time.
