A sealed container is charged with of at a certain temperature
CHEMISTRY · Single correct · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)
Problem
A sealed 2.00L container is charged with 1.00mol of N2O4(g) at a certain temperature. At equilibrium for the reaction
N2O4(g)⇌2NO2(g)15.0% of the N2O4 has dissociated. What is the value of Kc at this temperature?
(a) 7.06×10−1
(b) 3.53×10−1
(c) 5.3×10−2
(d) 2.6×10−2