Given the following reactions and their enthalpies: AH(kJ/mol) H;(g) 2H(g) 20(g) +436 O:(g) +495 H,(g) + 0,(g) → H,O(g) -242 (a) Devise a way to calculate AH for the reaction H,O(g) - 2H(g) + O(g) (b) From this, estimate the H-O bond energy.

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Given the following reactions and their enthalpies:
AH(kJ/mol)
H;(g)
2H(g)
20(g)
+436
O:(g)
+495
H,(g) + 0,(g) →
H,O(g) -242
(a) Devise a way to calculate AH for the reaction
H,O(g) - 2H(g) + O(g)
(b) From this, estimate the H-O bond energy.
Transcribed Image Text:Given the following reactions and their enthalpies: AH(kJ/mol) H;(g) 2H(g) 20(g) +436 O:(g) +495 H,(g) + 0,(g) → H,O(g) -242 (a) Devise a way to calculate AH for the reaction H,O(g) - 2H(g) + O(g) (b) From this, estimate the H-O bond energy.
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