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tunisia81 tunisia81
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1 months ago

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)     ΔH°rxn= 847.6 kJ/mol

What mass of iron is formed if 725 kJ of heat are released?



▸ 23.9 g

▸ 47.8 g

▸ 65.3 g

▸ 95.5 g

▸ 112 g
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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egidrarcegidrarc
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1 months ago
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