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CHEM120, Chamberlain University, 2026 — Exam 3 Recall Quiz Questions and Correct Answers

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This document is a comprehensive CHEM120 Exam 3 recall quiz covering redox chemistry, organic chemistry, thermochemistry, nuclear chemistry, radiation, biological macromolecules, proteins, nucleic acids, and genetics. It includes recall questions with provided answers on oxidation and reduction, hydrocarbons, radioactive decay and half-life, carbohydrates, lipids, protein structure, DNA/RNA, replication, transcription, translation, and base pairing.

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Chamberlain CHEM120 Exam 3 RECALL QUIZ
QUESTIONS & CORRECT ANSWERS GRADED A+
LATEST VERSION 2026


What does LEO stand for in redox chemistry?

Loss of Electrons is Oxidation.




What does GER stand for in redox chemistry?

Gaining of Electrons is Reduction.




Is Fe2+ oxidized or reduced when it becomes Fe0?

Fe is reduced.




Is O2- oxidized or reduced when it becomes O0?

O is oxidized.




Is Cu+1 oxidized or reduced when it becomes Cu2+?

Cu is oxidized.

, What is an oxidizing agent?

Contains the species being reduced and oxidizes another species by accepting electrons.




What is a reducing agent?

Contains the species being oxidized and reduces another species by donating electrons.




What is the oxidizing agent in the reaction Cu2+ + Zn0 → Cu0 + Zn2+?

Cu2+ is the oxidizing agent.




What is the reducing agent in the reaction V4+ + Cu+ → Cu+5 + V0?

Cu+ is the reducing agent.




What are the oxidation numbers in the reaction 2 H2 + O2 → 2 H2O?

H is +1 and O is -2.




What is the reducing agent in the reaction 2 H2 + O2 → 2 H2O?

H2 is the reducing agent.




What is the oxidizing agent in the reaction V + O2 → VO2?

O2 is the oxidizing agent.

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