To find:
a.
b. If the reaction is spontaneous at
c.
d. If the reaction is spontaneous at
e. If the reverse reaction is spontaneous at the temperature of the kiln (i.e.
Answer to Problem 12.68QA
Solution:
a. At
b. Yes, the reaction is spontaneous at
c. At
d. No, the reaction is not spontaneous at
e. Yes, the reverse reaction is spontaneous at the temperature of the kiln (i.e.
Explanation of Solution
1) Concept:
We have been asked to calculate the
2) Given information:
Substance | |||
3) Formulae:
i.
ii.
iii.
4) Calculations:
We will calculate the
a.
Therefore,
Change in entropy of reaction i.e.
Therefore,
The Gibb’s free energy change for reaction,
T = 298 K
Therefore,
b.
c.
d.
e.
For the given reaction,
Therefore, for reverse reaction,
Since the value of
Conclusion:
We can calculate the values of
a. At
b. Yes, the reaction is spontaneous at
c. At
d. No, the reaction is not spontaneous at
e. Yes, the reverse reaction is spontaneous at the temperature of the kiln (i.e.
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