A reaction is initiated at 100°C with 2.35 moles NO2 in a 3.0 L reactor (no N2O4 present). If the equilibrium concentration of N2O4 is 0.25 M, what is the value of Kc at 100°C?

A reaction is initiated at 100°C with 2.35 moles NO2 in a 3.0 L reactor (no N2O4 present). If the equilibrium concentration of N2O4 is 0.25 M, what is the value of Kc at 100°C?

Consider the reaction
2NO2(g) N2O4(g)

A reaction is initiated at 100°C with 2.35 moles NO2 in a 3.0 L reactor (no N2O4 present). If the equilibrium concentration of N2O4 is 0.25 M, what is the value of Kc at 100°C?



a. 0.25
b. 0.31
c. 3.2
d. 6.7
e. 0.15


Answer: c. 3.2


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