Please help but show work The heat formation of ethanol acid (CH3COOH) is
-493kJ/mol. the atomization energy of graphite and
hydrogen are 718 and 218 in kJ/mol respectively.
Dotermine the atomization enegy of oxygen if bond energyC-C=348,C-H=416,
O-H=463,C=O=7 4 3 and
C-O=340,all in kJ/mol
63
KJ mor-​

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н, о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.