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37.6 Effect of catalyst on reaction rate

37.6 Effect of catalyst on reaction rate

37.4 Effect of temp on rate

37.4 Effect of temp on rate

37.5 Effect of surface area on rate

37.5 Effect of surface area on rate

37.2 Effect of conc on rate

37.2 Effect of conc on rate

37.3 Skill: sketch a curve

37.3 Skill: sketch a curve

37.1 Factors affecting the rate of reaction & collision theory

37.1 Factors affecting the rate of reaction & collision theory

36.8 Summary of methods to monitor the rate of reaction

36.8 Summary of methods to monitor the rate of reaction

36.7 Titrimetric analysis (Part 5)

36.7 Titrimetric analysis (Part 5)

36.6 measure change in colour intensity (Part 4)

36.6 measure change in colour intensity (Part 4)

19.14 Back titration more examples

19.14 Back titration more examples

8.4 Dative covalent bond

8.4 Dative covalent bond

19.13 Back titration

19.13 Back titration

19.12 Percentage by mass

19.12 Percentage by mass

19.11 Finding basicity of an acid

19.11 Finding basicity of an acid

8.2 Covalent bonds in elements

8.2 Covalent bonds in elements

8.1 Types of particles and classification of substances

8.1 Types of particles and classification of substances

19.10 Finding number of molecules of water of crystallization

19.10 Finding number of molecules of water of crystallization

Q11B ch36 rate of reactions

Q11B ch36 rate of reactions

36.5 Measuring change in mass (part 3)

36.5 Measuring change in mass (part 3)

36.4 Measuring change in pressure (Part 2)

36.4 Measuring change in pressure (Part 2)

36.3 How to monitor the rate of reaction: by measuring change in volume of gaseous product (Part 1)

36.3 How to monitor the rate of reaction: by measuring change in volume of gaseous product (Part 1)

36.2 Concentration time graph, average rate and instantaneous rate

36.2 Concentration time graph, average rate and instantaneous rate

36.1 Introduction to rate of reactions

36.1 Introduction to rate of reactions

Q8B Ch19 Titration

Q8B Ch19 Titration

7.3 Electronic diagram of ionic compound

7.3 Electronic diagram of ionic compound

7.4 Formula of ionic compound

7.4 Formula of ionic compound

19.9 find molar mass and relative atomic mass

19.9 find molar mass and relative atomic mass

19.8 Pouring a portion of solution from stock solution

19.8 Pouring a portion of solution from stock solution

19.6 Other methods to detect equivalence point

19.6 Other methods to detect equivalence point

19.5 Titration process

19.5 Titration process

19.7 Standardization

19.7 Standardization

19.4 How to clean apparatus and choose a proper indicator

19.4 How to clean apparatus and choose a proper indicator

19.3 Prepare standard solution by dilution

19.3 Prepare standard solution by dilution

11.2E Balanced force and unbalanced force

11.2E Balanced force and unbalanced force

11.1 A Distance, time and speed

11.1 A Distance, time and speed

11.1 B Distance- time graph

11.1 B Distance- time graph

11.1 C uniform motion and non uniform motion

11.1 C uniform motion and non uniform motion

11.2.A Basic ideas of force

11.2.A Basic ideas of force

11.2 B effect of force

11.2 B effect of force

11.2 C measuring forces

11.2 C measuring forces

11.2 D contact forces and non contact forces

11.2 D contact forces and non contact forces

7.2 Formula of ions

7.2 Formula of ions

7.1 Tpes of bonding and formation of ions

7.1 Tpes of bonding and formation of ions

6.3 Halogen and Noble gas

6.3 Halogen and Noble gas

6.2 Alkali metal and alkaline earth metal

6.2 Alkali metal and alkaline earth metal

6.1 Patterns in periodic table

6.1 Patterns in periodic table

19.2 Preparing stanard soluion by dissolving a pure solid

19.2 Preparing stanard soluion by dissolving a pure solid

Q10B energetics past paper

Q10B energetics past paper

19.1 Volumetric analysis and standard solution

19.1 Volumetric analysis and standard solution

Q7B preparation of salt

Q7B preparation of salt

18.8 Application of neutralization

18.8 Application of neutralization

18.7 Preparation of salts (part 4) cation+ anion (precipitation)

18.7 Preparation of salts (part 4) cation+ anion (precipitation)

18.6 preparation of salt (part 3) acid + alkali titration

18.6 preparation of salt (part 3) acid + alkali titration

F5 Q9B Hess’s Law

F5 Q9B Hess’s Law

35.5 Special equation (combustion)

35.5 Special equation (combustion)

35.4 Special equation (formation)

35.4 Special equation (formation)

35.3 Statement form

35.3 Statement form

35.2e enthalpy change cycle advance level

35.2e enthalpy change cycle advance level

35.2 Enthapy change cycle

35.2 Enthapy change cycle

35.1 Hess’s Law

35.1 Hess’s Law

18.5 Preparation of salt (Part 2) Excess metal oxide + Acid

18.5 Preparation of salt (Part 2) Excess metal oxide + Acid

18.4 preparation of salts (Part 1)

18.4 preparation of salts (Part 1)

18.3 Naming of salt

18.3 Naming of salt

18.2 Exothermic nature of neutralisation

18.2 Exothermic nature of neutralisation

18.1 Neutralization

18.1 Neutralization

Q8B energetics quiz part 2

Q8B energetics quiz part 2

Q8B Energetic quiz (part 1)

Q8B Energetic quiz (part 1)

16.2 Common indicators and ways to measure pH

16.2 Common indicators and ways to measure pH

16.1 Introducing pH scale

16.1 Introducing pH scale

34.7 Determine enthalpy change of reaction

34.7 Determine enthalpy change of reaction

34.6 determine enthalpy change of neutralisation

34.6 determine enthalpy change of neutralisation

34.5 Determine enthalpy change of combustion using simple calorimeter

34.5 Determine enthalpy change of combustion using simple calorimeter

34.4 standard enthalpy change of formation

34.4 standard enthalpy change of formation

Q6B alkali + molarity

Q6B alkali + molarity

34.3 standard enthalpy change of neutralization

34.3 standard enthalpy change of neutralization

15.3 Dilution

15.3 Dilution

34.2 Standard enthalpy change of combustion

34.2 Standard enthalpy change of combustion

15.2 Calculations related ro concentrations of solutions

15.2 Calculations related ro concentrations of solutions

15.1 concentrations of solutions

15.1 concentrations of solutions

14.9 Corrosive nature of concentrated acid and alkali

14.9 Corrosive nature of concentrated acid and alkali

34.1 Thermochemical equations

34.1 Thermochemical equations

14.8 Role of water in exhibiting basic properties of alkali

14.8 Role of water in exhibiting basic properties of alkali

14.7 Characteristics and chemical reactions of alkali (part 3)

14.7 Characteristics and chemical reactions of alkali (part 3)

14.6 Characteristics and chemical reactions of alkali (part 2)

14.6 Characteristics and chemical reactions of alkali (part 2)

33.4 nature of exothermic and endothermic reaction in terms od breaking and forming of chemical bond

33.4 nature of exothermic and endothermic reaction in terms od breaking and forming of chemical bond

33.3 Enthalpy change, exothermic and endothermic reactions

33.3 Enthalpy change, exothermic and endothermic reactions

33.2e more examples on reactions with heat change equals to the change in internal energy

33.2e more examples on reactions with heat change equals to the change in internal energy

33.2 Internal energy and enthalpy change

33.2 Internal energy and enthalpy change

33.1 Law of conservation of energy, systems and surroundings

33.1 Law of conservation of energy, systems and surroundings

F4 Q5B Acid

F4 Q5B Acid

14.5 Characterisics and chemical reactions of alkali part 1

14.5 Characterisics and chemical reactions of alkali part 1

14.4 Basicity of acid

14.4 Basicity of acid

49.5 Importance of transition metals and their compounds

49.5 Importance of transition metals and their compounds

49.4 Catalytic properties of transition metals and their compounds

49.4 Catalytic properties of transition metals and their compounds

49.3 Variable oxidation state of transition elements

49.3 Variable oxidation state of transition elements

14.3 Role of water in exhibiting acidic properties of acid

14.3 Role of water in exhibiting acidic properties of acid

8.3 Dative covalent bond

8.3 Dative covalent bond

14.2 characteristics and chemical reactions of acid part 2

14.2 characteristics and chemical reactions of acid part 2

14.1 Characteristics and chemical reactions of acids (Part 1)

14.1 Characteristics and chemical reactions of acids (Part 1)

Q6B Ch48 oxide of elements in period 3

Q6B Ch48 oxide of elements in period 3

49.2 coloured ions of transition elements

49.2 coloured ions of transition elements

49.1 introduction to transition elements

49.1 introduction to transition elements

Q4B corrosion

Q4B corrosion

13.5 Corrosion resistance of aluminium

13.5 Corrosion resistance of aluminium

48.2 Acid base property (part 2)

48.2 Acid base property (part 2)

48.1 Bonding, stoichiometric composition and acid-base properties of the oxide of elements (part 1)

48.1 Bonding, stoichiometric composition and acid-base properties of the oxide of elements (part 1)

13.4 prevention of corrosion (part 2)

13.4 prevention of corrosion (part 2)

Q5B ch 47 periodic variation

Q5B ch 47 periodic variation

13.3 rust indicator & prevention of corrosion (part 1)

13.3 rust indicator & prevention of corrosion (part 1)

13.2 chemistry of rusting & factors speeding up rusting

13.2 chemistry of rusting & factors speeding up rusting

12.4 percentage by mass

12.4 percentage by mass

13.1 intro to corosion and conditions for corrosion

13.1 intro to corosion and conditions for corrosion

Q4B chemical cell and electrolysis

Q4B chemical cell and electrolysis

12.3 percentage yield

12.3 percentage yield

47.3 variation in electrical conductivity

47.3 variation in electrical conductivity

47.2 Periodic variation in melting point of elements across the period

47.2 Periodic variation in melting point of elements across the period

47.1 Nature of bonding and structure of elements across the period

47.1 Nature of bonding and structure of elements across the period

Q3B Metal MC

Q3B Metal MC

31.1 Hydrogen oxygen fuel cell

31.1 Hydrogen oxygen fuel cell

Q2B calculation based on eq

Q2B calculation based on eq

12 2 Limited reagent

12 2 Limited reagent

Q1B empirical formula explanation

Q1B empirical formula explanation

F5 Q2B & Q3B Quiz Explain

F5 Q2B & Q3B Quiz Explain

12 1 Calculation based on equation

12 1 Calculation based on equation

32.11 Electroplating

32.11 Electroplating

32.10 Factors affecting the rate of electrolysis

32.10 Factors affecting the rate of electrolysis

32.8 identifying anode and cathode

32.8 identifying anode and cathode

32.9 Polarity of electrodes

32.9 Polarity of electrodes

32.7 changes in electrolyte

32.7 changes in electrolyte

32.6 Copper as anode

32.6 Copper as anode

32.5 Nature of electrode (Part 1) Mercury as cathode

32.5 Nature of electrode (Part 1) Mercury as cathode

32 4 colour around electrode

32 4 colour around electrode

32.3 volume ratio of gas production in electrolytic cell

32.3 volume ratio of gas production in electrolytic cell

8.1 Elements with covalent bond

8.1 Elements with covalent bond

SBA Titration

SBA Titration

9.2 Drawing Structure Part 2 GIS SMS

9.2 Drawing Structure Part 2 GIS SMS

9.1 Drawing Structure Part 1 GCS GMS

9.1 Drawing Structure Part 1 GCS GMS

32.1 Basic terms of electrolysis and electrolytic cell with molten electrolyte

32.1 Basic terms of electrolysis and electrolytic cell with molten electrolyte

32 2 Factors affecting preferentially discharged

32 2 Factors affecting preferentially discharged

Last class performance of my adorable 6S2 babies

Last class performance of my adorable 6S2 babies

My adorable 6S2 babies class performance v.2

My adorable 6S2 babies class performance v.2

My adorable 6s2 babies' performance

My adorable 6s2 babies' performance

Ice bucket challenge

Ice bucket challenge

Mr Wong's 30th birthday

Mr Wong's 30th birthday

NPL 1B 2nd Class performance 1112 - Life's a happy song

NPL 1B 2nd Class performance 1112 - Life's a happy song

NPL 1B Class performance 1112 Practice

NPL 1B Class performance 1112 Practice

Npl 1B class performance 1112

Npl 1B class performance 1112

2011- 2012 1b npl class performance

2011- 2012 1b npl class performance