The standard enthalpy changes for the formation of aluminum oxide and iron (III) oxide are: 3 2 Al (s) +,02(g) → Al203(s) AH° = -1676 kJ 2. 2 Fe (s) +,02(g) → Fe203(s) AH° = -824 kJ Calculate AHo for the reaction: Fe203 (s) + 2 Al (s) → Al,03(s) + 2 Fe (s)

Chemistry for Engineering Students
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Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.53PAE: 9.53 Using these reactions, find the standard enthalpy change for the formation of 1 mol of PhO(s)...
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The standard enthalpy changes for the formation of aluminum oxide and iron
(III) oxide are:
3
2 Al (s) +,02(g) → Al203(s)
AH° = -1676 kJ
3
2. 2 Fe (s) +02(g) → Fe203(s)
AH° = -824 kJ
%3D
Calculate AHo for the reaction:
Fe203(s) + 2 AlI (s) → Al,03(s) + 2 Fe (s)
Transcribed Image Text:The standard enthalpy changes for the formation of aluminum oxide and iron (III) oxide are: 3 2 Al (s) +,02(g) → Al203(s) AH° = -1676 kJ 3 2. 2 Fe (s) +02(g) → Fe203(s) AH° = -824 kJ %3D Calculate AHo for the reaction: Fe203(s) + 2 AlI (s) → Al,03(s) + 2 Fe (s)
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