The highly exothermic thermite reaction, in which aluminum reduces iron (III) oxide to elemental iron, has been used by railroad repair crews to weld rails together. 2Al(s) + Fe₂O3(s) Ⓡ 2Fe(s) + Al₂O3(s) DH rxn= -850 kJ Express your answer in decimal notation rounded to three significant figures. What mass of iron is formed when 925 kl of heat is released?
The highly exothermic thermite reaction, in which aluminum reduces iron (III) oxide to elemental iron, has been used by railroad repair crews to weld rails together. 2Al(s) + Fe₂O3(s) Ⓡ 2Fe(s) + Al₂O3(s) DH rxn= -850 kJ Express your answer in decimal notation rounded to three significant figures. What mass of iron is formed when 925 kl of heat is released?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 26QRT
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