Problem: Part AThe value of ΔH° for the following reaction is -3351 kJ: 2Al (s) + 3O2 (g) → 2Al2O3 (s) The value of ΔH°f for Al2O3 (s) is _____ kJ. (a) -16.43 (b) -1676 (c) -3351 (d) +3351 (e) -32.86

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Part A

The value of ΔH° for the following reaction is -3351 kJ: 

2Al (s) + 3O2 (g) → 2Al2O3 (s) 

The value of ΔH°f for Al2O3 (s) is _____ kJ. 

(a) -16.43 

(b) -1676 

(c) -3351 

(d) +3351 

(e) -32.86

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