Electrochemistry Questions and Answers

KCI (100mM) was entrapped inside large unilamellar vesicles.
Physical Chemistry
Electrochemistry Solutions
KCI (100mM) was entrapped inside large unilamellar vesicles. Can a diffusion potential across the bilayer be generated by diluting with buffer containing 100mM KCI and a K+ specific ionophore? Explain
Suppose that an acid flux is inadvertently left on the
Physical Chemistry
Electrochemistry Solutions
Suppose that an acid flux is inadvertently left on the surface of a silver contact and that in the presence of a thin film of condensed moisture, the acid residue has a pH of 5.0. Under what range of
Molecules that are easily reduced and oxidized can be used
Physical Chemistry
Electrochemistry Solutions
Molecules that are easily reduced and oxidized can be used like batteries to shuttle charge (energy) from one reaction to the next. a) True b) False
Which of the following is the correct NET ionic equation for
Physical Chemistry
Electrochemistry Solutions
Which of the following is the correct NET ionic equation for the above reaction? a. H+(aq) + OH(aq) → H₂O(l) b. KOH(aq) + H₂S(aq) → K₂S(aq) + H₂O(l) c. 2K+(aq) +1 S²-(aq) → 1K₂S(aq) d. 2KOH(aq) +
Which 0.10 M solution best conducts electricity? ammonia
Physical Chemistry
Electrochemistry Solutions
Which 0.10 M solution best conducts electricity? ammonia (NH3) ethyl alcohol (C₂H5OH) sucrose (C₁₂H22011) potassium bromide (KBr)
An electrolytic cell is used to produce aluminum metal from a eutectic blend of aluminum oxide and the mineral cryolite. The relevant cathodic half reaction is as follows. Al³+ + 3 e Al
Physical Chemistry
Electrochemistry Solutions
An electrolytic cell is used to produce aluminum metal from a eutectic blend of aluminum oxide and the mineral cryolite. The relevant cathodic half reaction is as follows. Al³+ + 3 e Al How many grams
An electrolytic cell is prepared for the purpose of producing chlorine gas, Cl₂ (g), from molten magnesium chloride, MgCl2 (1). Consider the half reactions listed below. During operation, chlorine gas will be produced at the.
Physical Chemistry
Electrochemistry Solutions
An electrolytic cell is prepared for the purpose of producing chlorine gas, Cl₂ (g), from molten magnesium chloride, MgCl2 (1). Consider the half reactions listed below. During operation, chlorine gas
A galvanic cell is constructed by wiring a vanadium
Physical Chemistry
Electrochemistry Solutions
A galvanic cell is constructed by wiring a vanadium electrode bathed in 1.0 M V^2+ (aq) to a mercury electrode bathed in 1.0 M Hg^2+ (aq), with the two solutions connected by a salt bridge. Consider
The Nernst equation is one of the most important equations
Physical Chemistry
Electrochemistry Solutions
The Nernst equation is one of the most important equations in electrochemistry. To calculate the cell potential at non-standard-state conditions, the equation is E = E˚-(2.303 RT/nF) * log10 where E
Elemental calcium is produced by the electrolysis of molten
Physical Chemistry
Electrochemistry Solutions
Elemental calcium is produced by the electrolysis of molten CaCl₂. 1. What mass of calcium can be produced by this process if a current of 8300 A is applied for 53 h? Assume that the electrolytic cell
How many joules of heat are produced by the combustion of
Physical Chemistry
Electrochemistry Solutions
How many joules of heat are produced by the combustion of 2.50 liters of acetylene, C₂H2, stored in a container at a pressure of 20,000 mm of Hg (torr) and temperature of 30.0°C with excess oxygen
A galvanic cell was constructed with a nickel electrode that
Physical Chemistry
Electrochemistry Solutions
A galvanic cell was constructed with a nickel electrode that was dipped into 1.6 M NISO4 solution and a chromium electrode that was immersed into a solution containing Cr3+ at an unknown