Chemistry - Chemical Equilibrium Question with Solution | TestHub
ChemistryChemical EquilibriumProblems involving KpMedium2 minQB
ChemistryMediumsingle choice
The equilibrium NH2COONH4(s) ⇌ 2NH3(g) + CO2(g) is achieved at a total equilibrium pressure of X bar at T K. The value of Δr G° for the reaction is
Options:
Answer:
D
Solution:
The equilibrium pressure X bar is the total pressure PNH3 = 2X/3 bar and PCO2 = X/3 bar
Kp = (2X/3)2(X/3) = 4X3/27
Δr G° = -RTln Kp = -RTln(4X3/27)
Δr G° = -RT(3ln X + ln 4 - ln 27)
This is option (d).
Stream:JEESubject:ChemistryTopic:Chemical EquilibriumSubtopic:Problems involving Kp
⏱ 2mℹ️ Source: QB
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