2.46 What is the pK, for each compound? NH3 NH3 CF3 a. b. C. K = 4.7 x 10-10 к, 3 2.3 х10-5 K = 5.9 x 10-1

Consider the three compounds shown below and then answer the question that follow: H. H H H H -C- -N- H H H H -C H- H- EN: | H H H H H H. H H Compound A Compound B Compound C Which two compounds are constitutional isomers? Compound A Compound B Compound C O O

S H-H 436 kJ/mol C-H 413 kJ/mol C=C 614 kJ/mol H-Cl 431 kJ/mol C-C 348 kJ/mol C=C 839 kJ/mol H-F 567 kJ/mol C-N 293 kJ/mol C=O 799 kJ/mol N-H 391 kJ/mol 358 kJ/mol 0=0 495 kJ/mol N-O 201 kJ/mol 485 kJ/mol C=O 1072 kJ/mol O-H 463 kJ/mol C-Cl 328 kJ/mol C=N 615 kJ/mol 0-0 146 kJ/mol C-S 259 kJ/mol N=N 418 kJ/mol F-F 155 kJ/mol Cl-CI 242 kJ/mol N=N 941 kJ/mol C=N 891 kJ/mol Estimate the enthalpy change (A Hrxn) of the following reaction for 2 moles of F2 using the bond energies above. HH H\ >H C=C H + F-F →→ kJ Question Help: Message instructor Submit Question JUL 29 H-C-C-H F F 648 231 W •

How are the following two compounds related? CH3 CH3 HO H HO H -H Select one: OH H -OH CH₂OH A. Diastereomers vs B. Conformers C. Identical compounds D. Enantiomers O E. Constitutional isomers HO H H HO -H -OH -OH -H CH₂OH