Concept explainers
(a)
Interpretation:
To show the net result is the decomposition of water
Concept Introduction:
Heat energy required to raise the temperature of 1g of substance by 1K.Energy gained or lost can be calculated using the below equation.
Where, q= energy gained or lost for a given mass of substance (m), C =specific heat capacity,
The standard molar enthalpy of formation is the enthalpy change
(a)
Explanation of Solution
To show the net result is the decomposition of water.
Equation
Equation
Equation
(b)
Interpretation:
If
Concept Introduction:
Heat energy required to raise the temperature of 1g of substance by 1K.Energy gained or lost can be calculated using the below equation.
Where, q= energy gained or lost for a given mass of substance (m), C =specific heat capacity,
The standard molar enthalpy of formation is the enthalpy change
(b)
Explanation of Solution
The mass of
Substitute the values in,
The reaction is
(c)
Interpretation:
The enthalpy of reaction has to be calculated.
Concept Introduction:
Heat energy required to raise the temperature of 1g of substance by 1K.Energy gained or lost can be calculated using the below equation.
Where, q= energy gained or lost for a given mass of substance (m), C =specific heat capacity,
The standard molar enthalpy of formation is the enthalpy change
(c)
Explanation of Solution
Given reaction is:
Substitute the values in
Substitute the values in
(d)
Interpretation:
Comment on the feasibility of using such a series of reaction to produce
Concept Introduction:
Heat energy required to raise the temperature of 1g of substance by 1K.Energy gained or lost can be calculated using the below equation.
Where, q= energy gained or lost for a given mass of substance (m), C =specific heat capacity,
The standard molar enthalpy of formation is the enthalpy change
(d)
Explanation of Solution
Since the enthalpy is positive the reaction is not feasible
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Chapter 5 Solutions
Chemistry & Chemical Reactivity
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