The thermite reaction, used for welding iron, is the reaction of Fe3O4 with Al. 8 Al (s) + 3 Fe3O4 (s) → 4 Al203 (s) + 9 Fe (s) AH° = -3350. kJ/mol rxn Because this large amount of heat cannot be rapidly dissipated to the surroundings, the reacting mass may reach temperatures near 3000. °C. How much heat (in kJ) is released by the reaction of 16.2 g of Al with 69.3 g of Fe304? Enter a positive number since released already tells us it is a negative number (to 1 decimal place).

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The thermite reaction, used for welding iron, is the reaction of Fe3O4 with Al.
8 Al (s) + 3 Fe304 (s) → 4 Al203 (s) + 9 Fe (s) AH° = -3350. kJ/mol rxn
Because this large amount of heat cannot be rapidly dissipated to the surroundings, the reacting
mass may reach temperatures near 3000. °C. How much heat (in kJ) is released by the reaction of
16.2 g of Al with 69.3 g of Fe304? Enter a positive number since released already tells us it is a
negative number (to 1 decimal place).
Transcribed Image Text:The thermite reaction, used for welding iron, is the reaction of Fe3O4 with Al. 8 Al (s) + 3 Fe304 (s) → 4 Al203 (s) + 9 Fe (s) AH° = -3350. kJ/mol rxn Because this large amount of heat cannot be rapidly dissipated to the surroundings, the reacting mass may reach temperatures near 3000. °C. How much heat (in kJ) is released by the reaction of 16.2 g of Al with 69.3 g of Fe304? Enter a positive number since released already tells us it is a negative number (to 1 decimal place).
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