Select the word or phrase that complete each sentence (const…

Select the word or phrase that complete each sentence (constitutional isomers, diastereomers, enantiomers, meso compounds, higher, lower, reaction, addition, carbocation, carbanion, nucleophile, electrophile, elimination, heterolysis, homolysis, reagent, substitution, stronger, weaker, charge, activation energy, enthalpy, entropy, catalyst, transition state, intermediate,  concerted, two step, SN1, SN2, E1, E2, racemization, hyperconjugation, alkyl halides, inversion):     On an energy diagram, each valley represents a(an) ……………………………..  Complete word/phrase and correct spelling (verbatim) is required. No partial credit.

Given the bond dissociation energies below (in kcal/mol), es…

Given the bond dissociation energies below (in kcal/mol), estimate the ΔH° for the propagation step CH3CH2CH2—H                     98(CH3)2CH—H                           95Cl—Cl                                        58H—Cl                                       103CH3CH2CH2—Cl                       81(CH3)2CH—Cl                             80