
(a)
To determine: If the internal energy of the system in the given Figure is decreasing or increasing as a result of the reaction.
Interpretation: The validation of the fact that the internal energy of the system in the given Figure is increasing or decreasing is to be stated.
Concept introduction: The internal energy of the system is the sum of the kinetic and potential energies of the reactant and product given in the system.
(b)
To determine: The sign that is given to
Interpretation: The sign that is given to
Concept introduction: The internal energy of the system is the sum of the kinetic and potential energies of the reactant and product given in the system.
(c)
To determine: If the given reaction is exothermic or endothermic.
Interpretation: The validation corresponding to the given reaction being an exothermic or an endothermic is to be stated.
Concept introduction: Exothermic reaction is defined as the reaction that produces a net flow of heat energy from a system to its surroundings and the reaction that absorb heat from their surroundings are known as endothermic reactions.

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Chapter 5 Solutions
Chemistry: The Science in Context (Fourth Edition)
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