Concept explainers
(a)
Interpretation: The given reactions are to be identified as exothermic and endothermic.
The value of
Concept introduction: The reactions, in which heat energy is evolved, are termed as an exothermic process and if heat energy is absorbed then they are termed as an endothermic.
The standard enthalpy change
The amount of energy released or absorbed
To determine: The given reaction is to be identified as exothermic and endothermic.
(b)
To determine: The value of
(c)
To determine: The amount of energy absorbed or released.
(d)
To determine: The comparison of
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Chemistry: The Science in Context (Fifth Edition)
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