How Much Energy Is Evolved During the Formation of 98

question 24

Multiple Choice

How much energy is evolved during the formation of 98.7 g of Fe,according to the reaction below?
Fe₂O₃(s) + 2 Al(s) → Al₂O₃(s) + 2 Fe(s) ΔH°_rxn = -852 kJ

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

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Definitions:

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus.

Language

A complex system of communication that uses symbols, sounds, and rules to convey information and express thoughts, emotions, and ideas.

Transformational Grammar

A linguistic theory that seeks to describe how the deep and surface structures of sentences are related by rules of transformation.

Surface Structures

In linguistics, the outward form of language syntax that can vary without altering the underlying deep structure's meaning.