. Find the delta(H) for the equation above b. State the molar heat of combustion of C2H2 c. State whether the reaction is endothermic or exothermic and why.

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a. Find the delta(H) for the equation above b. State the molar heat of combustion of C2H2 c. State whether the reaction is endothermic or exothermic and why.
28. Given the following reactions and subsequent AH values:
2 C,Ht9) + 5 O2i0)
2(g)
4 COl) + 2 H,0(0)
2(g)
2(g)
AH= 283.5 k.J
AH= 849 kJ
AH 213.7 kJ
C,Hea)
C,H20) + 2H2)
4 CO20) + 6 H,0(g)2 C,Hla + 7 O2ia)
H2) + 2 O20)
%3D
%D
>
(g),
Transcribed Image Text:28. Given the following reactions and subsequent AH values: 2 C,Ht9) + 5 O2i0) 2(g) 4 COl) + 2 H,0(0) 2(g) 2(g) AH= 283.5 k.J AH= 849 kJ AH 213.7 kJ C,Hea) C,H20) + 2H2) 4 CO20) + 6 H,0(g)2 C,Hla + 7 O2ia) H2) + 2 O20) %3D %D > (g),
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