Examlex
Consider the hydrogenation reaction of each compound listed and rank the compounds in order of increasing ΔH° of this reaction. The most negative ΔH° should be listed first.
2,5-dimethyl-1,3-cycloheptadiene,
1,4-dimethyl-1,3-cycloheptadiene, and
3,6-dimethyl-1,4-cycloheptadiene
Conditioned Stimulus
A previously neutral stimulus that, after becoming associated with the unconditioned stimulus, eventually triggers a conditioned response.
Classical Conditioning
An instructional process where pairing two stimuli repeatedly results in a response first prompted by the second stimulus, but eventually prompted by only the first stimulus.
Extinction
A process in which the conditioned response is weakened when the conditioned stimulus is repeated without the unconditioned stimulus.
Acquisition
The gradual formation of an association between conditioned and unconditioned stimuli.
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