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Given the Thermochemical Equation

Question 51

Multiple Choice

Given the thermochemical equation
2Al(s) + Given the thermochemical equation 2Al(s) + O<sub>2</sub>(g) → Al<sub>2</sub>O<sub>3</sub>(s) ; ΔH = -1676 kJ Find ΔH for the following reaction. 2Al<sub>2</sub>O<sub>3</sub>(s) → 4Al(s) + 3O<sub>2</sub>(g) A) 838 kJ B) 1676 kJ C) -1676 kJ D) 3352 kJ E) -838 kJ
O2(g) → Al2O3(s) ; ΔH = -1676 kJ
Find ΔH for the following reaction.
2Al2O3(s) → 4Al(s) + 3O2(g)


A) 838 kJ
B) 1676 kJ
C) -1676 kJ
D) 3352 kJ
E) -838 kJ

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