Problem: In which reaction does Kp = Kc? a) NO(g) + O2(g) <--> N2O3(g) b) N2(g) + O2(g) <--> 2NO(g) c) CaCO3(s) <--> CaO(s) + CO2(g) d) N2(g) + H2O(g) <--> NO(g) + H2(g) e) None

FREE Expert Solution

We are asked to choose among the given reactions for which Kp = Kc.


The concentration equilibrium constant Kc is related to the pressure equilibrium constant Kp by the equation:


Kp=KcRTn

Where:

R = ideal gas constant (0.08206 L∙atm/mol∙K)

T = temperature in Kelvin

∆n = change in gaseous moles


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Problem Details

In which reaction does Kp = Kc

a) NO(g) + O2(g) <--> N2O3(g) 

b) N2(g) + O2(g) <--> 2NO(g) 

c) CaCO3(s) <--> CaO(s) + CO2(g) 

d) N2(g) + H2O(g) <--> NO(g) + H2(g) 

e) None

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