
Concept explainers
(a)
To determine: If the given reaction is either an exothermic or an endothermic reaction.
Interpretation: The given reaction is to be categorized as being an endothermic or an exothermic reaction.
Concept introduction: The values of enthalpy give information about the spontaneity and stability of the products. The value of Gibbs free energy depends upon the enthalpy. Enthalpy of the reaction is calculated by the formula,
(b)
To determine: if the carbon atom in calcium carbide is oxidized or reduced in the given reaction.
Interpretation: The carbon atom of calcium carbide in the given reaction is to be categorized as being oxidized or reduced.
Concept introduction: Redox reaction consists of

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Chapter 13 Solutions
Chemistry: The Science in Context (Fourth Edition)
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