3. Which of the following reactions are endothermic? Choose ALL that apply

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8. Which of the following reactions are endothermic? Choose ALL that apply.
+ ½O2(9) → H2O(g); AH = -243 kJ/mol
½N29) + ½02(g) + 90.7 kJ → NO
COg) + 111 kJ
d. Hlg) → ½H219) + ½l2g); AH = -26 kJ/mol
H2O (g)
2NO(9)
Hz9)
a.
%3D
b.
H29)
+ ½O2(g); AH = +243 kJ/mol
е.
(6),
С.
Ce) + ½O29)
f.
N219)
+ O2ie) + 181.4 kJ
5),
(s)
2(g)
Transcribed Image Text:8. Which of the following reactions are endothermic? Choose ALL that apply. + ½O2(9) → H2O(g); AH = -243 kJ/mol ½N29) + ½02(g) + 90.7 kJ → NO COg) + 111 kJ d. Hlg) → ½H219) + ½l2g); AH = -26 kJ/mol H2O (g) 2NO(9) Hz9) a. %3D b. H29) + ½O2(g); AH = +243 kJ/mol е. (6), С. Ce) + ½O29) f. N219) + O2ie) + 181.4 kJ 5), (s) 2(g)
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