Using enthalpies of formation, calculate the standard change in enthalpy for the thermite reaction: 2Al(s) + Fe2O3(s) → Al203(s) + 2Fe(s) This reaction occurs when a mixture of powdered aluminum and iron(III) oxide is ignited with a magnesium fuse. The following enthalpies of formation are known: AH°t for Fe2O3(s) = -826 kJ AH°; for Al203(s) = -1676 kJ O 1251 kJ 2502 kJ O -1251 kJ O 425 kJ 850 kJ O- 2502 kJ -850 kJ -425 kJ

Using enthalpies of formation, calculate the standard change in enthalpy for the thermite reaction: 2Al(s) + Fe2O3(s) → Al203(s) + 2Fe(s) This reaction occurs when a mixture of powdered aluminum and iron(III) oxide is ignited with a magnesium fuse. The following enthalpies of formation are known: AH°t for Fe2O3(s) = -826 kJ AH°; for Al203(s) = -1676 kJ O 1251 kJ 2502 kJ O -1251 kJ O 425 kJ 850 kJ O- 2502 kJ -850 kJ -425 kJ

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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