(Solved): Chem 111B Worksheet 3-Chemical Equilibrium Consider the following reaction: N_(2) 3H_(2)2NH_(3),\ ...
Chem 111B Worksheet 3-Chemical Equilibrium Consider the following reaction:
N_(2) 3H_(2)?2NH_(3),\Delta H\deg =-92k(J)/(m)ola. Express the equilibrium constant for this chemical equation: b. The equilibrium constant of this reaction at
25\deg Cis
K=5.6\times 10^(5), compare the relative concentration of ammonia
vs.N_(2)and
H_(2). c. Consider a container with 3 atm of hydrogen gas, if 1 atm of nitrogen gas is added to the container compare the rates of forward,
N_(2) 3H_(2)->2NH_(3), and backward,
2NH_(3)->N_(2) 3H_(2), reactions. d. Compare the rates of forward and backward reactions at equilibrium.Consider the chemical reaction of
A B(l)?C, with an equilibrium constant of
K=10at room temperature. a. If the concentration of
Aat the beginning of the reaction is 1 M . Determine, equilibrium concentrations of
Aand
B. b. Determine equilibrium concentrations if the initial concentration of
Ais 2 M . Consider the reaction:
N_(2)(g) O_(2)(g)?2NO(g)K_(c)=0.10( at 2000\deg C)A reaction mixture at
2000\deg Cinitially contains
[N_(2)]=0.200Mand
[O_(2)]=0.200M. a. What is the reaction quotient
(Q)initially? b. Predict the direction that reaction proceeds. c. Find the equilibrium concentrations of the reactants and product at this temperature.Consider the water formation reaction from
H_(2)and
O_(2)gases:
2H_(2)(g) O_(2)(g)?2H_(2)O(l),\Delta H=-286k(J)/(m)ola. Express equilibrium constant of this reaction. b. What is the effect of increasing the temperature of the reaction mixture? Decreasing the temperature? c. What would be the effect of adding water to the mixture at equilibrium. d. Compare the rates of forward and backward reactions after adding water.
