How Much Heat (KJ)is Evolved When 4 $\rarr$ 2 Fe(s)+ 3 CO₂(g)

question 5

Multiple Choice

How much heat (kJ) is evolved when 4.50 g of Fe₂O₃ is reacted with excess carbon monoxide using the equation below?
Fe₂O₃(s) + 3CO(g) $\rarr$ 2 Fe(s) + 3 CO₂(g) , $\Delta$ H°_rxn = - 24.8 kJ/mol,

• A)0.699 kJ
• B)2.10 kJ
• C)17.9 kJ
• D)24.8 kJ
• E)112 kJ

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