CAIE A2 Chemistry 9701 - Mega Lecture

Good teaching and learning will incorporate and reinforce a subject’s key concepts to help students gain:
A greater depth as well as breadth of subject knowledge
Confidence, especially in applying knowledge and skills in new situations
The vocabulary to discuss their subject conceptually and show how different aspects link together
A level of mastery of their subject to help them enter higher education.

Course Content

Chemical energetics
Learning outcomes Candidates should be able to: 1 define and use the terms: (a) enthalpy change of atomisation, ΔHat (b)lattice energy, ΔHlatt (the change from gas phase ions to solid lattice) 2 (a)define and use the term first electron affinity, EA (b)explain the factors affecting the electron affinities of elements (c)describe and explain the trends in the electron affinities of the Group 16 and Group 17 elements 3. construct and use Born–Haber cycles for ionic solids (limited to +1 and +2 cations, –1 and –2 anions) 4. carry out calculations involving Born–Haber cycles 5. explain, in qualitative terms, the effect of ionic charge and of ionic radius on the numerical magnitude of a lattice energy

Standard Lattice Energy

06:14
Born Haber Cycle : Introduction (Finding Lattice Enthalpy)

20:17
1 – Born Haber Cycle : Introduction (Finding Lattice Enthalpy)

20:17
2 – Born Haber Cycle : Example Question

09:25
3 – Born Haber Cycle : Example Question

09:35
4 – Born Haber Cycle : Example Question

10:23
5 – Born Haber Cycle : Example Question

08:39
7 – Born Haber Cycle : Example Question

09:28
6 – Born Haber Cycle : Example Question

09:18
Live Lecture on Enthalpy Change of Solution, Lattice Energy and Hydration

28:13
Live Lecture on Born Haber Cycle and Enthalpy Change of Solution

26:39
Live Class – A2 Chemistry – Past Paper Practice for Lattice Energy

19:49
Live Class A2 – 15th October 2020 – Energetics Introduction, Born Haber Cycle

28:23
Question on Electrochemistry, Ksp, Lattice Energy, pH, Enthalpy of Solution

15:20

Enthalpies of solution and hydration

Entropy change, ΔS

Live Class – A2 Chemistry – Entropy

32:52
Gibbs Free Energy : Part 1 : Change in Entropy and Workdone

09:17
Calculating Entropy Change of a Reaction

06:24
Predicting Sign of Entropy Change : Part 1

07:30
Entropy Calculations : Part 2

10:27
Entropy Calculations : Part 1

08:19
Entropy, Microstates & Probability

07:04
What is Entropy

10:10
Predicting Sign of Entropy Change : Part 2 (Past Paper Questions)

10:27

Gibbs free energy change, ΔG

Electrolysis

Live Class – A2 Chemistry – Electrolysis and Electrode Potentials

37:46
Live Class – A2 FWC – Electrolysis, Electrochemistry, Electrode Potentials

30:42
Live Class – A2 BPC – Electrolysis, Electrode Potential

37:10
Live Class – A2 FWC – Electrode Potential, Lechatelier Principle, Nernst Equation, Electrolysis

35:55
1 – Electrolysis using Standard Electrode Potentials

26:40
2 – Electrolysis using Standard Electrode Potentials

10:00
Electrolysis of Aqueous Solutions using Active Electrodes : Part 2 : Electroplating

14:37
Moles & Electrolysis, Moles & Mass

05:32
Electrolysis of Aqueous Solutions using Active Electrodes : Part 2 : Electroplating

14:37
Electrolysis of Aqueous Solutions : Part 3 : Examples

14:37
Electrolysis of Molten Electrolytes : Part 2

10:04
Electrolysis of Molten Electrolytes : Part 1

19:31
Electrolysis of Aqueous Solutions using Active Electrodes : Part 1

14:02
Electrolysis of Aqueous Solutions : Part 2 : Examples

17:55
Electrolysis of Aqueous Solutions : Part 1

18:02

Standard electrode potentials E⦵; standard cell potentials E⦵cell and the Nernst equation

Question on Electrochemistry, Electrode Potential, Catalyst

08:53
Live Class – A2 Chem – Electrochemistry, Electrode Potential and Nernst Equation

33:10
Live Class – A2 Chemistry – Electrolysis and Electrode Potentials

37:46
Past Paper Question – Electrochemistry, Standard Electrode Potential

21:05
Live Class – A2 BPC – Past Papers, Electrode Potentials, Faraday Constant

33:43
Electrochemistry, Electrode Potential, Paper 5

35:38
Live Class – A2 BPC – Past Paper Questions, Electrochemistry, Electrode Potentials

36:22
Live Class – A2 BPC – Past Paper Questions, Electrochemistry, Electrode Potential

33:01
Live Class – A2 FWC – Electrolysis, Electrochemistry, Electrode Potentials

30:42
Live Class – A2 BPC – Electrolysis, Electrode Potential

37:10
Live Class – A2 FWC – Electrode Potential, Lechatelier Principle, Nernst Equation, Electrolysis

35:55
Live Class – A2 FWC – Standard Electrode Potential, Lechatelier Principle and Nernst Equation

32:40
Live Class – A2 BPC – Chain Reactions, Redox, Electrode Potentials

44:29
Live Class – A2 BPC – Constructing Redox Equations using Electrode Potentials (24-8-2020)

33:24
Live Class : A2 BPC : Constructing Redox Reactions using Electrode Potentials ( 24-8-2020)

32:54
Live Class – A2 FWC – Writing Redox Equations Using Electrode Potentials (19th August 2020)

30:58
Live Class – BPC A2 – Standard Electrode Potential, S.H.E, Electrochemical Cell – 17th August

41:38
Live Class : A2 Chem : Electrochemistry, Electrode Potentials, Electrochemical Cells

25:00
Live Class A2 BPC on Standard Electrode Potential : Part 2

05:13:56
Live Class A2 BPC on Standard Electrode Potential : Part 1

53:40
Electrode Potential, Redox Equations, Empirical Formula

12:34
6 – Constructing Redox Reactions using Electrode Potentials : Example Question

09:49
5 – Constructing Redox Reactions using Electrode Potentials : Example Question

33:45
4 – Constructing Redox Reactions using Electrode Potentials : Example Question

18:30
2 – Electrolysis using Standard Electrode Potentials

10:00
1 – Electrolysis using Standard Electrode Potentials

26:40
3 – Constructing Redox Reactions using Electrode Potentials : Example Question

17:12
1 – Constructing Redox Equations Using Electrode Potentials

07:07
2 – Constructing Redox Equations Using Electrode Potentials

13:36
Electrochemistry for A’Levels : Part 2 : Introducing Electrode Potential

14:43
Electrochemistry for A’Levels : Part 1 : Introducing Electrode Potential

12:22
Live Class – A2 Chem – Electrochemistry, Electrode Potential and Nernst Equation

33:10
Live Class – A2 FWC – Electrode Potential, Lechatelier Principle, Nernst Equation, Electrolysis

35:55
Live Class – A2 FWC – Standard Electrode Potential, Lechatelier Principle and Nernst Equation

32:40

Acids and bases

Partition coefficients

Simple rate equations, orders of reaction and rate constants

Live Class – A2 Chemistry – Rate Equations

29:10
Live Class – A2 Chem – Reaction Kinetics, Order of a Reaction, Rate Equation, Rate Constant – Part 1

44:06
Live Class – A2 Chem – Reaction Kinetics, Order of a Reaction, Rate Equation, Rate Constant – Part 2

42:31
Live Class – A2 Chem – Reaction Kinetics, Order of a Reaction, Rate Equation, Rate Constant – Part 3

36:14
Live Class – A2 Chem – Reaction Kinetics, Order of a Reaction, Rate Equation, Rate Constant – Part 4

48:50
Live Class – A2 Chem – Reaction Kinetics, Order of a Reaction, Rate Equation, Rate Constant – Part 5

01:09:03
Question on pH, rate equation, rate constant, finding units of rate constant

05:11

Homogeneous and heterogeneous catalysts

Similarities and trends in the properties of the Group 2 metals, magnesium to barium, and their compounds

General physical and chemical properties of the first row of transition elements, titanium to copper

Colour of complexes

Stereoisomerism in transition element complexes

Formulae, functional groups and the naming of organic compounds

Characteristic organic reactions

Shapes of aromatic organic molecules; σ and π bonds

Isomerism: optical

What is NOT an Isomer

08:57
What are Isomers

07:59
Structural Isomers Part 1 : Chain Isomers

10:50
Structural Isomers Part 2 : Positional Isomers (Constitutional Isomers)

04:46
Structural Isomers Part 3 : Functional Group Isomerism

04:38
Live Class – AS Organic Chemistry Part 5 – Structural Isomers, Stereo Isomers, Geometric Isomers

41:28
Live Class – AS Organic Chemistry Part 6 – Examples of Geometric Isomers

34:41
Live Class – AS Organic Chemistry Part 7 – Optical Isomers, Chiral Centre

34:51
Geometric (Cis/Trans) and Optical Isomers in Transition Metal Complexes

27:54
Question on Chirality, Optical Isomers

02:07
Live Class – AS Mega Lecture – Geometric Isomers, Cis, Trans (20-8-2020)

27:34
Live Class – AS Mega Lecture – Stereo Isomers, Geometric Isomers

28:11
Live AS Class IUPAC Nomenclature and Structural Isomers Introduction

30:30
Live Class – AS Mega Lecture – Structural Isomers and their Types

37:38

Halogen compounds

Alcohols

Carboxylic acids and derivatives

Esters

Acyl chlorides

Primary and secondary amines

Phenylamine and azo compounds

Amides

Condensation polymerization

Thin-layer chromatography

Gas / liquid chromatography

Carbon-13 NMR spectroscopy

Proton (1H) NMR spectroscopy

A2 Chem Class : NMR Past Paper Questions

47:17
A2 Chem Class on NMR & Mass Spectroscopy

44:49
Nuclear Magnetic Resonance (NMR), Past Paper Questions

57:18
Live Class – A2 Chemistry – Past Paper Practice for NMR

42:35
Live Class – A2 Chemistry – Past Paper Practice for NMR

32:24
Nuclear Magnetic Resonance (H-NMR) : Part 2 : H-NMR Solvents, TMS and Chemical Shift

27:14
Nuclear Magnetic Resonance (H-NMR) : Part 1

32:16
8 – 9701_w14_qp_41 : Nuclear Magnetic Resonance (H-NMR)

22:03
8 – 9701_w13_qp_43 : Nuclear Magnetic Resonance (H-NMR)

17:21

A2 Chemistry Past Paper Session

Equilibria

A Level Equilibria 1 | A2 Chemistry | 9701 | AS Revision of Kc and Kp

39:30
A Level Equilibria 2 | A2 Chemistry | 9701 | AS Revision of Kc and Kp

37:54
A Level Equilibria 3 | A2 Chemistry | 9701 | Kc & Kp Revision and Water Constant Kw

40:29
A Level Equilibria 4 | A2 Chemistry | 9701 | pH of Strong Acids & Bases

35:54
A Level Equilibria 5 | A2 Chemistry | 9701 | pH of Strong Acids & Bases

38:34
A Level Equilibria 6 | A2 Chemistry | 9701 | pH of Strong Acids & Bases

52:56
A Level Equilibria 7 | A2 Chemistry | 9701 | pH of Weak Acids

36:21
A Level Equilibria 8 | A2 Chemistry | 9701 | Weak Acids, Ka, Past Paper Questions

41:26
A Level Equilibria 9 | A2 Chemistry | 9701 | Weak Acids – Ka – Past Paper Questions

38:49
A Level Equilibria 10 | A2 Chemistry | 9701 | Weak Acids, Past Paper Questions, Buffer Introduction

41:42
A Level Equilibria 11 | A2 Chemistry | 9701 | Buffer Solutions, Weak Acids and Conjugate Bases

43:18
A Level Equilibria 12 | A2 Chemistry | 9701 | Buffer Solutions, pH Curves

41:46
A Level Equilibria 13 | A2 Chemistry | 9701 | Buffer Solutions, pH Curves

45:03
A Level Equilibria 14 | A2 Chemistry | Solubility Product | Ksp

42:00
A Level Equilibria 15 | A2 Chemistry | Solubility Product | Ksp | Past Papers Solved

46:52
A Level Chemistry | Chemical Equilibria – Lecture 16 – Partition Coefficients | 9701

42:07

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What Will You Learn?

Course Content

3 – Born Haber Cycle : Example Question

5 – Born Haber Cycle : Example Question

7 – Born Haber Cycle : Example Question

6 – Born Haber Cycle : Example Question

Live Lecture on Enthalpy Change of Solution, Lattice Energy and Hydration

Live Lecture on Born Haber Cycle and Enthalpy Change of Solution

Live Class – A2 Chemistry – Past Paper Practice for Lattice Energy

Live Class A2 – 15th October 2020 – Energetics Introduction, Born Haber Cycle

Question on Electrochemistry, Ksp, Lattice Energy, pH, Enthalpy of Solution

Enthalpies of solution and hydration

Entropy change, ΔS

Gibbs Free Energy : Part 1 : Change in Entropy and Workdone

Calculating Entropy Change of a Reaction

Predicting Sign of Entropy Change : Part 1

Entropy Calculations : Part 2

Entropy Calculations : Part 1

Entropy, Microstates & Probability

What is Entropy

Predicting Sign of Entropy Change : Part 2 (Past Paper Questions)

Gibbs free energy change, ΔG

Gibbs Free Energy : Part 2 : Gibbs Free Energy Equation

Gibbs Free Energy : Part 3 : Past Paper Questions

Electrolysis

Live Class – A2 FWC – Electrode Potential, Lechatelier Principle, Nernst Equation, Electrolysis

2 – Electrolysis using Standard Electrode Potentials

Electrolysis of Aqueous Solutions using Active Electrodes : Part 2 : Electroplating

Moles & Electrolysis, Moles & Mass

Electrolysis of Aqueous Solutions using Active Electrodes : Part 2 : Electroplating

Electrolysis of Aqueous Solutions : Part 3 : Examples

Electrolysis of Molten Electrolytes : Part 2

Electrolysis of Molten Electrolytes : Part 1

Electrolysis of Aqueous Solutions using Active Electrodes : Part 1

Electrolysis of Aqueous Solutions : Part 2 : Examples

Electrolysis of Aqueous Solutions : Part 1

Standard electrode potentials E⦵; standard cell potentials E⦵cell and the Nernst equation

Past Paper Question – Electrochemistry, Standard Electrode Potential

Live Class – A2 BPC – Past Paper Questions, Electrochemistry, Electrode Potential

Live Class – A2 FWC – Electrolysis, Electrochemistry, Electrode Potentials

Live Class – A2 FWC – Electrode Potential, Lechatelier Principle, Nernst Equation, Electrolysis

Live Class – A2 FWC – Standard Electrode Potential, Lechatelier Principle and Nernst Equation

Live Class – A2 BPC – Chain Reactions, Redox, Electrode Potentials

Live Class – A2 BPC – Constructing Redox Equations using Electrode Potentials (24-8-2020)

Live Class : A2 BPC : Constructing Redox Reactions using Electrode Potentials ( 24-8-2020)

Live Class – A2 FWC – Writing Redox Equations Using Electrode Potentials (19th August 2020)

Live Class – BPC A2 – Standard Electrode Potential, S.H.E, Electrochemical Cell – 17th August

Live Class : A2 Chem : Electrochemistry, Electrode Potentials, Electrochemical Cells

Live Class A2 BPC on Standard Electrode Potential : Part 2

Live Class A2 BPC on Standard Electrode Potential : Part 1

Electrode Potential, Redox Equations, Empirical Formula

6 – Constructing Redox Reactions using Electrode Potentials : Example Question

5 – Constructing Redox Reactions using Electrode Potentials : Example Question

4 – Constructing Redox Reactions using Electrode Potentials : Example Question

2 – Electrolysis using Standard Electrode Potentials

1 – Electrolysis using Standard Electrode Potentials

3 – Constructing Redox Reactions using Electrode Potentials : Example Question

1 – Constructing Redox Equations Using Electrode Potentials

2 – Constructing Redox Equations Using Electrode Potentials

Electrochemistry for A’Levels : Part 2 : Introducing Electrode Potential

Electrochemistry for A’Levels : Part 1 : Introducing Electrode Potential

Live Class – A2 Chem – Electrochemistry, Electrode Potential and Nernst Equation

Live Class – A2 FWC – Electrode Potential, Lechatelier Principle, Nernst Equation, Electrolysis

Live Class – A2 FWC – Standard Electrode Potential, Lechatelier Principle and Nernst Equation

Acids and bases

Live Class – A2 FWC – Acids and Bases (20-8-2020)

Acid Dissociation Constant Ka for Weak Acids

Constructing Equations : Reacting Bases with Acids : Part 1

Constructing Equations : Reacting Bases with Acids : Part 2

Constructing Equations : Reacting Bases with Acids : Part 3

Constructing Equations : Reacting Bases with Acids : Part 4

Constructing Equations : Reacting Metals with Acids

Formulas of Acids

Lewis definition of Acids & Bases

Bronsted Lowry definition for Acids & Bases

Part 9 – A’level Organic Chem – Acylchlorides, Ester, Comparison of Bases

Constructing Equations : Reacting Ammonium Salts with Bases

Formulas of Bases/Alkalis

Partition coefficients

Simple rate equations, orders of reaction and rate constants