Asked by anon
Iron metal and oxygen gas combine to form the magnetic oxide of iron, Fe3O4 and 680 kJ of heat. How many kilojoules of heat are generated when 750. grams of iron are reacted with an excess amount of oxygen gas?
Answers
Answered by
DrBob222
3Fe + 2O2 ==> Fe3O4 + 680 kJ
My assumption is 680 kJ for the REACTION as written.
680 kJ x (750 g Fe/3*55.85) = ?
My assumption is 680 kJ for the REACTION as written.
680 kJ x (750 g Fe/3*55.85) = ?
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