Chem 133 Final (2025) Actual Exam
Questions and Answers A+ Graded
Oxidized .agent .- .CORRECT .ANSWER-Loss .of .electrons .
Zn--> .Zn2+ .+2e-
Reducing .agent .- .CORRECT .ANSWER-Gains .electrons
2H+ .+2e- .--> .H2
Disproportionate .reactions .- .CORRECT .ANSWER-Same .substance .is .oxidized
.and .reduced
Electrochemistry .- .CORRECT .ANSWER-Produce .or .require .an .electric .current
Voltaic .cell .- .CORRECT .ANSWER-Electrochemical .cell .where .spontaneous
.reactions .occur
Electrolytic .cell .- .CORRECT .ANSWER-Electrochemical .cell .where .non
.spontaneous .reactions .can .be .made .to .occur
Spontaneous .reactions .in .Voltaic .cells .- .CORRECT .ANSWER-Electrons .are
.transferred .and .energy .is .RELEASED
Voltaic .cells .need .___ .to .allow .ions .to .flow .- .CORRECT .ANSWER-Salt .bridge .or
.porous .disk
Cell .potential .(E .cell) .- .CORRECT .ANSWER-Difference .in .potential .of .the
.cathode .and .anode .half-cells
Cell .potential .depends .on: .- .CORRECT .ANSWER-- .Reactions .on .anode .and
.cathode
- .Concentrations .of .reactants .and .products .
- .Temperature
Standard .cell .potential .(E°cell) .- .CORRECT .ANSWER-The .cell .potential .for .a
.system .in .standard .states
Standard .Hydrogen .Electrode .- .CORRECT .ANSWER-Can .only .measure .cell
.potential, .not .individual .electrode .potential
E°cell .equation .- .CORRECT .ANSWER-E°cell .= .E°cathode .- .E°anode
Questions and Answers A+ Graded
Oxidized .agent .- .CORRECT .ANSWER-Loss .of .electrons .
Zn--> .Zn2+ .+2e-
Reducing .agent .- .CORRECT .ANSWER-Gains .electrons
2H+ .+2e- .--> .H2
Disproportionate .reactions .- .CORRECT .ANSWER-Same .substance .is .oxidized
.and .reduced
Electrochemistry .- .CORRECT .ANSWER-Produce .or .require .an .electric .current
Voltaic .cell .- .CORRECT .ANSWER-Electrochemical .cell .where .spontaneous
.reactions .occur
Electrolytic .cell .- .CORRECT .ANSWER-Electrochemical .cell .where .non
.spontaneous .reactions .can .be .made .to .occur
Spontaneous .reactions .in .Voltaic .cells .- .CORRECT .ANSWER-Electrons .are
.transferred .and .energy .is .RELEASED
Voltaic .cells .need .___ .to .allow .ions .to .flow .- .CORRECT .ANSWER-Salt .bridge .or
.porous .disk
Cell .potential .(E .cell) .- .CORRECT .ANSWER-Difference .in .potential .of .the
.cathode .and .anode .half-cells
Cell .potential .depends .on: .- .CORRECT .ANSWER-- .Reactions .on .anode .and
.cathode
- .Concentrations .of .reactants .and .products .
- .Temperature
Standard .cell .potential .(E°cell) .- .CORRECT .ANSWER-The .cell .potential .for .a
.system .in .standard .states
Standard .Hydrogen .Electrode .- .CORRECT .ANSWER-Can .only .measure .cell
.potential, .not .individual .electrode .potential
E°cell .equation .- .CORRECT .ANSWER-E°cell .= .E°cathode .- .E°anode