CHEM 162 LAB #6 SYNTHESIS OF ASPIRIN COMPLETE SOLUTION EXAM SCRIPT 2026 COMPREHENSIVE QUESTIONS WITH SOLUTIONS GRADED A+

CHEM 162 LAB #6 SYNTHESIS OF ASPIRIN
COMPLETE SOLUTION EXAM SCRIPT 2026
COMPREHENSIVE QUESTIONS WITH
SOLUTIONS GRADED A+

⩥ what is reduction. Answer: gain of electrons, oxidation number
decreases


⩥ oxidizing agent. Answer: substance that gets reduced (gains electrons)


⩥ reducing agent. Answer: substance that gets oxidized (loses electrons)


⩥ oxidation number of element in its elemental form. Answer: 0


⩥ what is a galvanic cell. Answer: a cell that uses a spontaneous redox
reaction to produce electrical energy


⩥ where does oxidation occur in galvanic cell. Answer: anode


⩥ where does reduction occur in galvanic cell. Answer: cathode


⩥ sign of anode in galvanic cell. Answer: negative

, ⩥ sign of cathode in galvanic cell. Answer: positive


⩥ function of salt bridge. Answer: maintains electrical neutrality by
allowing ion flow


⩥ function of wire. Answer: transfers electrons


⩥ units of cell potential. Answer: volts


⩥ formula for finding standard cell potential. Answer: E°cell =
E°cathode − E°anode


⩥ standard hydrogen electrode potential. Answer: 0.00 V


⩥ If E°cell > 0, then. Answer: reaction is spontaneous (galvanic cell)


⩥ If ΔG° < 0, then. Answer: reaction is spontaneous


⩥ Relationship between ΔG° and E°. Answer: ΔG° = −nFE°


⩥ If ΔG° < 0, then K is. Answer: Greater than 1 (K > 1)