Match each alkene with the appropriate heat of combustion: Heats of combustion (kJ/mol): 5293; 4658; 4650; 4638;

Question:

Match each alkene with the appropriate heat of combustion:
Heats of combustion (kJ/mol): 5293; 4658; 4650; 4638; 4632
Heats of combustion (kcal/mol): 1264.9; 1113.4; 1111.4; 1108.6; 1107.1
(a) 1-Heptene
( (d) (Z)-4, 4-Dimethyl-2-pentene
(b) 2, 4-Dimethyl-1-pentene
(e) 2, 4, 4-Trimethyl-2-pentene
(c) 2, 4-Dimethyl-2-pentene