y place the coelticient in the reaction equation. Cal runt the Gibbs energy and determine possibility of the reas or 850 and look Al2O3 + H2 = Alessthog ) H239 krmol - 1676 0 - 291,84 A5288 , I/ (molxk) 50,92 13052 28,35 188,74
Answers
Explanation:
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Class 11
>>Chemistry
>>Thermodynamics
>>Gibbs Energy Change and Equilibrium
>>Using the Gibbs change, Δ G^o = + 63.3kJ
Question
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Using the Gibbs change, ΔG
o
=+63.3kJ, for the following reaction, the K
sp
of Ag
2
CO
3
(s) in water at 25
o
C is :
Ag
2
CO
3
(g)⇌2Ag
+
(aq)+CO
3
2−
(aq) (R=8.314JK
−1
mol
−1
)
Medium
NEET
Solution
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Correct option is B)
The relationship between the Gibbs free energy and the solubility product is
ΔG
o
=−2.303RT logK
sp
Substitute values in the above expression.
63.3×10
3
=−2.303×8.31×298 logK
sp
−11.09=logK
sp
8×10
−12
=K
sp
Hence, the K
sp
of Ag
2
CO
3
(s) in water at 25
o
C is 8.0×10
−12
.