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    Exam 6: Thermochemistry
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    How Much Energy Is Evolved During the Formation of 98
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How Much Energy Is Evolved During the Formation of 98

Question 3

Question 3

Multiple Choice

How much energy is evolved during the formation of 98.7 g of Fe according to the reaction below?
Fe2O3(s) + 2Al(s) → Al2O3(s) + 2Fe(s) How much energy is evolved during the formation of 98.7 g of Fe according to the reaction below?  Fe<sub>2</sub>O<sub>3</sub>(s)  + 2Al(s)  → Al<sub>2</sub>O<sub>3</sub>(s)  + 2Fe(s)    H°<sub> </sub>= -852 kJ A)  753 kJ B)  1.51 × 10<sup>3</sup> kJ C)  4.20 × 10<sup>3</sup> kJ D)  482 kJ E)  241 kJ H° = -852 kJ


A) 753 kJ
B) 1.51 × 103 kJ
C) 4.20 × 103 kJ
D) 482 kJ
E) 241 kJ

Correct Answer:

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