Concept explainers
Interpretation: The standard enthalpy of the given reactions from the appropriate standard enthalpies of formation is to be calculated.
Concept introduction: The energy which is required in a molecule to break one mole of a covalent bond in its gaseous phase is known as bond energy of that bond. It is expressed in terms of enthalpy change denoted by
To determine: The standard enthalpy of the given reaction from the appropriate standard enthalpies of formation.
Answer to Problem 13.76QP
The standard enthalpy of the given reaction is
The standard enthalpy of the given reaction is
Explanation of Solution
The standard enthalpy of formation
The given reaction is,
Standard enthalpy of formation of
Standard enthalpy of formation of
Standard enthalpy of formation of
Standard enthalpy of formation of
The standard enthalpy for the given reaction is calculated by using the formula,
Substitute the values of standard enthalpies of formation of reactants and products in the above formula to calculate the standard enthalpy of the reaction.
Simplify the above equation,
Hence, the standard enthalpy of the given reaction is
The given reaction is,
Standard enthalpy of formation of
Standard enthalpy of formation of
Standard enthalpy of formation of
Standard enthalpy of formation of
The standard enthalpy for the given reaction is calculated by using the formula,
Substitute the values of standard enthalpies of formation of reactants and products in the above formula to calculate the standard enthalpy of the reaction.
Simplify the above equation,
Hence, the standard enthalpy of the given reaction is
The standard enthalpy of the given reaction is
The standard enthalpy of the given reaction is
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Chapter 13 Solutions
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