According to Bandura's Social Learning theory, what is it called when a person learns the same behaviour by observing and repeating the behaviour of others?

According to Pavlov's Classical Conditioning theory of learning, which temporal sequence presentation of natural and conditioned stimuli will most affect learning?

Which is the most suitable reagent for following conversion? $CH_{3}-CH=CH-CH_{2}-C(=O)-CH_3 \rightarrow CH_{3}-CH=CH-CH_{2}-C(=O)-ONa$

For the reaction: $Cl_{2}(g)\rightarrow2Cl(g)$ the signs of $\Delta H$ and $\Delta S$ are: