(a)
Interpretation:
A balanced chemical equation for formation of sodium carbonate has to be written.
(a)
![Check Mark](/static/check-mark.png)
Explanation of Solution
The overall balanced equation is the sum of each step in the formation of sodium carbonate.
(b)
Interpretation:
The standard enthalpy of calcium sulphide has to be determined.
Concept Introduction:
Standard enthalpy of a reaction is the sum of the standard enthalpies of products minus sum of the standard enthalpies of reactants.
(b)
![Check Mark](/static/check-mark.png)
Explanation of Solution
The standard enthalpy of calcium sulphide is determined as,
(c)
Interpretation:
The overall reaction spontaneous or not has to be determined.
(c)
![Check Mark](/static/check-mark.png)
Explanation of Solution
The reaction is very endothermic; therefore it is probably not spontaneous even though the entropy change maybe expected to be positive. It will take a change in gibbs energy determination to know for sure.
(d)
Interpretation:
The mass of sodium carbonate has to be determined.
(d)
![Check Mark](/static/check-mark.png)
Explanation of Solution
The mass of sodium carbonate in the given reaction is calculated as,
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Chapter 22 Solutions
CHEM 212:STUDENT SOLUTION MANUAL
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