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    Exam 17: Entropy Free Energy and Equilibrium
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    Calculate the Equilibrium Constant for the Decomposition of Water 2H<sub>2</sub>O(l)\(\Delta\)
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Calculate the Equilibrium Constant for the Decomposition of Water 2H2O(l) Δ\DeltaΔ

Question 89

Question 89

Multiple Choice

Calculate the equilibrium constant for the decomposition of water 2H2O(l)  Calculate the equilibrium constant for the decomposition of water 2H<sub>2</sub>O(l)    <sub> </sub> 2H<sub>2</sub>(g) + O<sub>2</sub>(g)  At 25°C, given that  \Delta G°<sub>f </sub>(H<sub>2</sub>O(l) ) = -237.2 kJ/mol. A) 0.83 B) 6.3 × 10<sup>-84</sup> C) 2.5 × 10<sup>-42</sup> D) 1.6 × 10<sup>83</sup> E) 4.7 × 10<sup>5</sup>
2H2(g) + O2(g)
At 25°C, given that Δ\DeltaΔ G°f (H2O(l) ) = -237.2 kJ/mol.


A) 0.83
B) 6.3 × 10-84
C) 2.5 × 10-42
D) 1.6 × 1083
E) 4.7 × 105

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