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How Much Heat Is Evolved Upon the Complete Oxidation of 6

Question 41

Multiple Choice

How much heat is evolved upon the complete oxidation of 6 g of aluminum at 25°C and 1 atm pressure? ( How much heat is evolved upon the complete oxidation of 6 g of aluminum at 25°C and 1 atm pressure? ( for Al<sub>2</sub>O<sub>3</sub> is -1676 kJ/mol.) 4Al(s) + 3O<sub>2</sub>(g) → 2Al<sub>2</sub>O<sub>3</sub>(s) A) 9.238 × 10<sup>3</sup> kJ B) 342.3 kJ C) 684.7 kJ D) 171.1 kJ E) 85.59 kJ for Al2O3 is -1676 kJ/mol.)
4Al(s) + 3O2(g) → 2Al2O3(s)


A) 9.238 × 103 kJ
B) 342.3 kJ
C) 684.7 kJ
D) 171.1 kJ
E) 85.59 kJ

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