
Concept explainers
a)
Interpretation: Those reactions having similar values of
Concept Introduction:
The change in enthalpy that is associated with the formation of one mole of a substance from its related elements being in standard state is called standard enthalpy of formation (
a)

Answer to Problem 10.123QP
Since, more than one mole of substance is formed
Explanation of Solution
The change in enthalpy that is associated with the formation of one mole of a substance from its related elements being in standard state is called standard enthalpy of formation (
Since, more than one mole of substance is formed
b)
Interpretation: Those reactions having similar values of
Concept Introduction:
The change in enthalpy that is associated with the formation of one mole of a substance from its related elements being in standard state is called standard enthalpy of formation (
b)

Answer to Problem 10.123QP
Since, more than one mole of substance is formed
Explanation of Solution
The change in enthalpy that is associated with the formation of one mole of a substance from its related elements being in standard state is called standard enthalpy of formation (
Since, more than one mole of substance is formed
c)
Interpretation: Those reactions having similar values of
Concept Introduction:
The change in enthalpy that is associated with the formation of one mole of a substance from its related elements being in standard state is called standard enthalpy of formation (
c)

Answer to Problem 10.123QP
The formation of one mole of a substance from its related elements makes them being in standard state, therefore
Explanation of Solution
The change in enthalpy that is associated with the formation of one mole of a substance from its related elements being in standard state is called standard enthalpy of formation (
The formation of one mole of a substance from its related elements makes them being in standard state, therefore
d)
Interpretation: Those reactions having similar values of
Concept Introduction:
The change in enthalpy that is associated with the formation of one mole of a substance from its related elements being in standard state is called standard enthalpy of formation (
d)

Answer to Problem 10.123QP
Since,
Explanation of Solution
The change in enthalpy that is associated with the formation of one mole of a substance from its related elements being in standard state is called standard enthalpy of formation (
Since,
e)
Interpretation: Those reactions having similar values of
Concept Introduction:
The change in enthalpy that is associated with the formation of one mole of a substance from its related elements being in standard state is called standard enthalpy of formation (
e)

Answer to Problem 10.123QP
The formation of one mole of a substance from its related elements makes them being in standard state, therefore
Explanation of Solution
The change in enthalpy that is associated with the formation of one mole of a substance from its related elements being in standard state is called standard enthalpy of formation (
The formation of one mole of a substance from its related elements makes them being in standard state, therefore
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Chapter 10 Solutions
Chemistry: Atoms First
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