Podcast
Questions and Answers
Which of the following reactions will proceed spontaneously?
Which of the following reactions will proceed spontaneously?
The reaction Cr2O72- + Fe2+ + 14 H+ → 2 Cr3+ + 6 Fe3+ + 7 H20 will not proceed spontaneously.
The reaction Cr2O72- + Fe2+ + 14 H+ → 2 Cr3+ + 6 Fe3+ + 7 H20 will not proceed spontaneously.
False (B)
What are the products of the following reaction in acidic conditions: Sb2O5 + I- →
What are the products of the following reaction in acidic conditions: Sb2O5 + I- →
Sb3+ and I2
In an electrolytic cell used to plate a metal with chromium, the metal to be plated is the ______.
In an electrolytic cell used to plate a metal with chromium, the metal to be plated is the ______.
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Match the following half-reactions with their respective electrode in an electrochemical cell: (Note: Use reaction in item 6)
Match the following half-reactions with their respective electrode in an electrochemical cell: (Note: Use reaction in item 6)
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In the reaction MnO$_2$ + 4 HCl → MnCl$_2$ + Cl$_2$ + 2 H$_2$O, which element is reduced?
In the reaction MnO$_2$ + 4 HCl → MnCl$_2$ + Cl$_2$ + 2 H$_2$O, which element is reduced?
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In an electrolytic cell, a non-spontaneous redox reaction is driven by an external power source.
In an electrolytic cell, a non-spontaneous redox reaction is driven by an external power source.
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What is the oxidizing agent in the reaction 2 CrO$_2^- $ + ClO$^-$ + OH$^-$ → 2 CrO$_4^{2-}$ + 3 Cl$^-$ + H$_2$O
What is the oxidizing agent in the reaction 2 CrO$_2^- $ + ClO$^-$ + OH$^-$ → 2 CrO$_4^{2-}$ + 3 Cl$^-$ + H$_2$O
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In a redox reaction, the species that loses electrons is said to be ______ .
In a redox reaction, the species that loses electrons is said to be ______ .
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Match the following half-reactions with their balanced form in an acidic solution:
Match the following half-reactions with their balanced form in an acidic solution:
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Flashcards
Redox reaction
Redox reaction
A chemical reaction where electrons are transferred between reactants.
Reduction
Reduction
A half-reaction that involves the gain of electrons, causing a decrease in oxidation number.
Oxidation
Oxidation
A half-reaction that involves the loss of electrons, causing an increase in oxidation number.
Galvanic Cell
Galvanic Cell
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Electrolytic Cell
Electrolytic Cell
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Oxidation-Reduction (Redox) Reaction
Oxidation-Reduction (Redox) Reaction
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Oxidizing Agent
Oxidizing Agent
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Reducing Agent
Reducing Agent
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Half-Reaction Method
Half-Reaction Method
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Study Notes
Chemistry 40S Exam Review
- This review package provides examples of long-answer questions covering topics from the year. It does not cover all the theory, so use your unit notes, unit outcomes (found in each unit booklet), and tests/quizzes to prepare.
Topics Covered
- Oxidation and Reduction and Electrochemistry: Includes oxidation numbers, oxidizing/reducing agents, balancing half/full redox reactions (acidic/basic), electrolytic cells, electroplating, and calculations using Faraday's law, electrochemical cells, and corrosion.
- Chemical Kinetics: Covers reaction rates, factors affecting rates (collision theory), reaction mechanisms, potential energy diagrams (catalyzed/uncatalyzed), rate laws, and reaction orders.
- Chemical Equilibrium and Ksp: Details mass action expressions (Kc and Kp), percent yield, ICE charts, Le Chatelier's principle, graphing, and calculating Ksp or molar solubilities, the effect of a common ion on solubility, and determining precipitate formation.
- Acids and Bases: Explores electrolytes vs. nonelectrolytes, Arrhenius and Brønsted-Lowry definitions, conjugate acid-base pairs, self-ionization of water (Kw), ionization constants (Ka and Kb), pH/pOH calculations, indicators, and neutralization/titration problems.
- Atomic Structure: Includes the quantum mechanical model of the atom, electron configurations, orbital diagrams, wavelength/frequency/energy calculations, spectra (continuous vs. bright line), and periodic trends (atomic/ionic radii, ionization energy, electronegativity).
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Description
Prepare for your Chemistry 40S exam with this comprehensive review. It focuses on long-answer questions related to oxidation-reduction, chemical kinetics, and equilibrium. Utilize this package in conjunction with your class notes and tests for optimal success.
