Using the ionization constants found at
https://sites.google.com/site/chempendix/ionization, calculate the overall equilibrium constant,
Koverall, for the following...
Using the ionization constants found at
https://sites.google.com/site/chempendix/ionization, calculate the overall equilibrium constant,
Koverall, for the following reaction:
How to determine coefficients for equilibrium constants?
The equilibrium constant built in aspen has the following
equation:
ln (Keq) = A + B / T
How to determine these coefficients: A, B
Using the aqueous equilibrium constants, calculate the
concentration of OH- in M and pH for the following solutions (given
that all are at 25 degrees celsius):
0.15 M NaBrO
8.2×10−2 M NaHS.
A mixture that is 0.13 M in NaNO2 and 0.25 M in Ca(NO2)2.
Thank you! :)
Combining Equilibrium Constants.
It is possible to predict the equilibrium constant of a reaction
by combining two or more reactions for which the value of
K is known. When combining equilibrium constants, it is
important to note the following:
When a reaction is reversed, its Kvalue is inverted;
that is, Kreverse=1/Kforward.
When the coefficients of a reaction are multiplied by a factor,
the Kvalue is raised to the power of that factor.
When reactions are added, their Kvalues are
multiplied....
Use cell potential to calculate an equilibrium constant.
Calculate the cell potential and the equilibrium constant for
the following reaction at 298 K:
Cu2+(aq) +
Hg(l) =
Cu(s) +
Hg2+(aq)
Hint: Carry at least 5 significant figures during intermediate
calculations to avoid round off error when taking the
antilogarithm.
Equilibrium constant: -------
Calculate the pH of a 0.0760 M anilinium chloride solution. A
list of ionization constants can be found here.
Calculate the concentrations of the conjugate acid and base at
equilibrium. The conjugate acid and conjugate base are represented
as HA and A–, respectively.
From the ionization constant, calculate the standard Gibbs
free-energy change for the ionization of acetic acid in water at
25∘C. ΔrG∘ = ??? What is the Gibbs free-energy change at
equilibrium for the ionization of acetic acid in water at 25∘C??
What is the Gibbs free-energy change for the following reaction in
water at 25∘C ? (Assume that activity coefficients are all equal to
1.) H+ (10−4M) +OAc− (10−2M) →HOAc (1M) ???????????/ What is the
Gibbs free-energy change for the...