Cell diagram for Galvanic cells
1. Calculate the value of ?G for the galvanic cell described in problem 1. 2. How many mL of .1000 M sodium hydroxide must be added to 500 mL of .1000 M formic acid to prepare a buffer solution with a pH of 4.00? Problem 1 Write the cell diagram for a galvanic cell consisting of a silver electrode in contact with .300 ...continues
Cell diagram for a galvanic cell
Write the cell diagram for a galvanic cell consisting of a silver electrode in contact with .300 M silver nitrate solution and a copper electrode in contact with a .500 M copper nitrate solution. Calculate E at 25 degrees Celsius for the galvanic cell described in problem 1. How much current would be produced by the dissol ...continues
Why does the path of the charged particle bend?
Why does the path of the charged particle bend? Please see the attached picture.
A+B -> C+D The complete data is as follows: The initial concentration of A is 400 mmol/L and initial concentration of B is 0.4 mmol/L. The following data is for concentration of C in mmol/L at different times T in seconds T sec: 0 120 240 360 Infinity [C] : 0 0.2 0.3 0.35 0.4 Assuming ...continues
Gibbs free energy, standard electrode potential problems.
1. What is the standard electrode potential for the half reaction in which free ferric ion is reduced to elemental Iron? 2. Place the following chemical species in ascending order (in energetic terms) as electron acceptors under standard conditions. Fe3+ (reduced to Fe2+); Zn2+ (reduced to Zn); H+;Ag+;Cu2+ (reduced to Cu+) ...continues
Free energies of reaction form reduction potentials: Oxidation of Lactate with Fe3+.
a)Under standard conditions , will the oxidation of lactate using Fe3+ as electron acceptor prove energetically favorable? What is the change in free energy associated with the complete oxidation of lactate to carbon dioxide by Fe 3+? (Assume reduction of Fe3+ to Fe2+) Given information pe0=-0.68 (My knowledge about this is: ...continues
Overall free energy change in a non-standard cell.
-438 kJ/mol is the free energy change of lactate oxidation by Fe3+ under non-standard conditions assuming that: C3H5O3- + 12 Fe3+ + 3 H2O -----> 3 CO2 + 11 H+ + 12 Fe2+ [Fe2+]=10^-4 M pH=7 T=25 degree centigrade [lactate]=10^-3 M Carbon dioxide is in equilibrium with atmospheric CO2 Fe3+ is in equilibrium with ...continues
Typical High School Chemistry Exam (Kinetics)
Please see the attached file.
Vmax, Km: Calculation of Kinetic Constants, first order
The initial velocity of an enzyme catalyzed reaction was measured at a serious of different initial substrate concentrations in the table. Find Km (sometimes called Ks)(the half velocity constant) and ...there is moreshow problemThe initial velocity of an enzyme catalyzed reaction was measured at a serious of different initial s ...continues
Zeta potential?? What is it really??
Dr M: Can you explain zeta potential in simple terms? If you haven't deduced by now, my study mates and I are all Chem Engineering grads from the early 80's and sadly have forgotten much of what we academically one knew....we are all now pursuing Master's degrees and it is a struggle re-learning much of this material. A ...continues
