Match each chemical equation with the correct equilibrium constant expression. C
ID: 888046 • Letter: M
Question
Match each chemical equation with the correct equilibrium constant expression.
Chemical Equation ECE
(N2O2)/ (N2)(O2) (NO2)^2 / (N)^2 (O2)^2 2NO(g)……> < N2(g) + O2(g) K=
(N)^2 (O)^2 / (N2O2) (N2) (O2)^2 / (NO2)^2 N2(g) + O2(g)>>><<< N2O2(g) k=
(N2O2) / (N)^2 (O)^2 (N2) (O2) / (NO)^2 2NO2(g)>>>> <<< N2(g) +20 2(g) k=
(N)^2 (O)^2 / (NO)^2 (N2) (O2) / (N2O2) N2(g) + 20 2(g)>>>>><<<2NO2(g) k=
(N)^2 (O2)^2/ (NO2)^2 (NO)^2/ (N2)(O2) N2(g) + O2 (g)>>>>><<<<<2NO(g) k=
(NO2)^2/ (N2) (O2)^2 (NO)^2/ (N)^2 (O)^2 N2O2(g)>>>><<<<N2(g) + O2(g) k=
Explanation / Answer
For reaction1:
2NO(g) <-->N2(g) + O2(g)
Kc=(N2) (O2) / (NO)^2
for reaction 2:
N2(g) + O2(g) <-->2NO(g)
Kc = (NO)^2/ (N2)(O2)
for reaction 3:
2NO2 (g) <---> N2(g) +2O2(g)
Kc = (N2) (O2)^2 / (NO2)^2
for reaction 4:
N2(g) + O2(g) <.--> 2NO(g)
Kc = (NO)^2/ (N2)(O2)
for reaction 5:
N2O2 (g) <---> N2(g) + O2(g)
Kc= (N2) (O2) / (N2O2)
Explnation:
Kc is concetration of products /concentration of rectants. Each concetration should be raised to some power which is stoichiletric coefficient in chemical equation