STUDYGUIDE EXAM WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
Consider the reaction.
2NO2 (g) + F2 (g) <--> 2 NO2F (g)
A proposed mechanism for the reaction is
NO2 + F2 <--> NO2F + F (slow)
NO2 + F <--> NO2F (fast)
What is the rate law for this mechanism?
A
Consider this equilibrium:
2SO2 (g) + O2 (g) <--> 2SO3 (g)
The forward reaction is proceeding at a certain rate at some
temperature and pressure. When the pressure is increased,
what might we expect for the forward reaction?
(A) a greater rate of reaction and a greater yield of SO3 at
equilibrium
,(B) a greater rate of reaction and a same yield of SO3 at
equilibrium
(C) a lesser rate of reaction and a smaller yield of SO3 at
equilibrium
(D) a lesser rate of reaction and a greater yield of SO3 at
equilibrium
A
What is the equilibrium expression for this reaction?
Ni(CO)4 (g) <--> Ni (s) + 4CO (g)
C
Given the reaction and equilibrium constant:
2SO3 (g) <--> 2SO2 (g) + O2 (g)
Ke = 2.3 x 10^-7
What is the equilibrium constant for this reaction at the same
temperature?
SO3 (g) <--> SO2 (g) + 1/2 O2 (g)
Ke = ?
(A) 1.2 x 10^-7
(B) 4.6 x 10^-7
(C) 4.8 x 10^-4
(D) 4.3 x 10^6
A
, Consider the equilibrium reactions:
K1
2SO2 (g) + O2 (g) <--> 2SO3 (g)
K2
2CO (g) + O2 (g) <--> 2CO2 (g)
What is the equilibrium constant, K, for this reaction?
2SO2 (g) + 2CO2 (g) <--> 2SO3 (g) + 2CO (g)
B
Consider the reaction:
X2 (g) + 2Y(g) <--> 2Z (g).
12.00 moles of Z are placed in an evacuated 2.00-liter flask.
After the reactants and products reach equilibrium, the flask
contains 6.00 moles of Y.
What is the equilibrium constant, K, for the reaction?
(A) 0.333
(B) 0.667
(C) 1.50
(D) 3.00
A
Phosgene decomposes into carbon monoxide and elemental
chlorine. If the initial concentration of COCl2 (g) is 0.50 M,
what is the equilibrium concentration of CO (g)?