Physical Chemistry 2.pdf - OER@AVU - African Virtual University

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VII. General objective(s) On completion of this module the learner must be able to: African Virtual University • Explain the driving force to the solution processes • Explain the effect of temperature and pressure on solubility • Provide a thermodynamic explanation to the phenomenon of mixing • Define and explain colligative properties of solutions • Define and classify the colloid state • Explain factors that influence colloidal stability • Draw and explain simple phase diagrams • Use the concept of redox reactions to explain electrochemical reactions • Predict the spontaneity of a reaction given the standard reduction potentials • Use the cell potential to determine the equilibrium constant of a reaction • Explain the radioactivity phenomenon • Explain why some elements are stable and others are not • Carryout calculations related to the radioactivity phenomenon VIII. specific learning objectives (Instructional objectives) Unit Learning objective(s) Solutions On completion of this Unit, the learner should be able to: • Define and explain the nature of solutions • Identify and distinguish the different types of solutions • Predict whether two substances will mix to form a solution by comparing the intermolecular forces involved • Understand and explain the effects of temperature, pressure and polarity of solvent/solute on solubility • Account for the colligative properties of solutions and perform calculations involving these properties
Unit Learning objective(s) African Virtual University Colloids On completion of this Unit, the learner should be able to: • Describe the properties of colloidal systems • Differentiate the different types of colloidal systems • Explain factors affecting the stability of colloids • Describe and explain the different properties of colloids such diffusion, osmosis, viscosity and electrical properties Equilibrium of phases On completion of this Unit, the learner should be able to: • Explain concepts of vaporization, boiling, vapour pressure, and how these are affected by variables of temperature, pressure and will be able to interpret phase diagrams • Be able to calculate all relevant quantities in binary equilibrium phase diagrams: number of phases, composition of phases • Interpret the Gibb’s phase rule. Electrochemistry On completion of this Unit, the learner should be able to: • Explain and describe an electrochemical cell • Represent voltaic cells diagrammatically and in short notation • Use the concept of reduction potentials to explain reactions taking place at the anode and cathode • Explain and use reduction potential to predict spontaneity of chemical reactions • Relate the emf to Gibbs free energy and carry out related calculations Nuclear Chemistry On completion of this Unit, the learner should be able to: • Explain and describe the nature of radioactivity • Identify the different types of radioactive emissions and the properties of the emitted radiation • Carry out calculations using the radioactive decay law • Explain the relation between mass and energy and solve problems relating to mass-energy equivalence
Page 1 and 2: Physical Chemistry 2 Prepared by On
Page 3 and 4: Table of ConTenTs African Virtual U
Page 5 and 6: IV. Material African Virtual Univer
Page 7: Unit IV Electrochemistry (20 hours)
Page 11 and 12: 4. Given the following information
Page 13 and 14: 4. 5. The solution is reached by fo
Page 15 and 16: Pedagogical Comment For Learners Af
Page 17 and 18: List of required readings • Solut
Page 19 and 20: Barrier removed African Virtual Uni
Page 21 and 22: Practice problem 1 Which of the fol
Page 23 and 24: African Virtual University bottle i
Page 25 and 26: Visual demonstration: Forces of coh
Page 27 and 28: Simulation: Solution of salt 1.4 Th
Page 29 and 30: African Virtual University where P
Page 31 and 32: African Virtual University 0 If the
Page 33 and 34: * PA µ A (l) = µ A (l)+RT ln *
Page 35 and 36: African Virtual University The vapo
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Page 39 and 40: List of relevant MULTIMEDIA resourc
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Page 43 and 44: Micelle Formation African Virtual U
Page 45 and 46: 2.5 Colloid Properties African Virt
Page 47 and 48: s p African Virtual University The
Page 49 and 50: Learning activity # 3 Title of Lear
Page 51 and 52: Learning activities 3.1 What is a p
Page 53 and 54: African Virtual University The firs
Page 55 and 56: Learning activity # 4 Title of Lear
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African Virtual University In the s
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The half reactions that take place
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Cd(s)|Cd 2+ (1 M)||Cu 2+ (1 M)|Cu(s
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Picture the process - production of
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List of relevant useful links Nucle
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Characteristics African Virtual Uni
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Practice problem 1 What is X in the
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Example 1 African Virtual Universit
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Practice problem 2 African Virtual
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5.7.2 Binding energy and nuclear st
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5.9 Interaction of radiation with m
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(ii) Photoelectric absorption Afric
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African Virtual University Colloid
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African Virtual University Standard
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Reading #3 COLLOIDS African Virtual
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Reading # 9 INTRODUCTION TO RADIOAC
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African Virtual University Rational
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Useful Link #2 Title : Chem1 Virtua
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Useful Link # 5 Title : Chemistry U
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Useful Link # 8 Title : Chemistry R
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Useful Link # 11 Title : RAdiation
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XVI. summative evaluation African V
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(c) 0.09V (d) -0.09V African Virtua
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XVII. References African Virtual Un
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