The mole

1. Why do we need the mole? 12'37"
   Self-marking quiz

2. What is the mole? 23'00"
   Self-marking quiz

3. Applications of the mole 16'46"
   Self-marking quiz

4. Atoms, molecules and moles 7'02"

5. The mole 9'59"

6. Using the mole 7'16"

7. What is the mole? Short n snappy version (for revision) 2'07:

The unit factor method

1. The unit factor method: 1 9'37"

2. The unit factor method: 2 5'02"

3. The unit factor method: 3 10'23"

Numbers of particles and masses

1. Atomic mass 7'46"

2. Naming how many moles of atoms per mol molecules 3'55"

3. Moles atoms per mol molecules 2 15'19"

4. Moles atoms per mol molecules 3 10'03"

5. Calculating numbers of particles 6'06"

6. Mass to moles 7'37"

7. Mol to atoms 4'07"

8. Atoms to mass 5'00"

9. Mass to moles, atoms, molecules 19'02"

10. Mass to atoms 11'14"

Mass

1. Mass introduction 13'26"

2. Calculate molar mass 3'17"

3. Mass: Worked examples 1 8'29"

4. Mass: Worked examples 2 11'02"

5. Mass: Worked examples: Water of crystallisation 9'08

Gas volume

1. Volume introduction 4'16"

2. Calculate number of particles from STP volume 7'35"

3. Calculate mass and number of particles from STP volume 7'43"

4. Volume conversions 2'34"

5. Calculating mol from volume 4'32"

6. Calculating volume from mol 2'03"

7. Calculating mass from mol and volume 5'43"

1. Introduction 3'51"

2. Converting volume 4'04"

Calculating:

1. Concentration 6'30"

3. Moles solute within a solution 2'59"

4. Mass solute within a solution 4'59"

Worked examples:

5. Part 1: 12'32"

6. Part 2: 7'18"

Percentage composition

1. Part 1 9'26"

2. Part 2 6'46"

Empirical and true formulae

1. Introduction:2'58"

Empirical formulae

1. Part 1: 9'30"

2. Part 2: 9'51"

True formulae

1. Part 1: 8'00"

2. Part 2: 10'54"

3. Part 3: 7'57"

4. Part 4: 11'20"

Exam questions

1. Empirical and true formulae 7'51"

Ratios

1. Ratios introduction 10'20"

2. Ratios: Pairs of girls and shoes 7'36"

3. Ratios: Hydrogen reacts with oxygen 6'17"

Equation-based calculations

1. Equation based calculations: General strategy 4'14"

2. Reactions 1 15'43"

3. Reactions 2 10'50"

4. Equation based calculations 17'29"

Explosion reactions

1. Explosion reactions 7'09

Solution reactions

1. Solution reactions 13'36"

Nitrogen + Hydrogen

1. Reaction ratios 5'43"

2. Calculating moles needed or produced 2'05"

3. Calculating mass needed or produced 1'32"

4. Calculating volume needed or produced 1'55"

5. Calculating numbers of molecules needed or produced 1'33"

Percentage yield

1. Strategy: 2'48"

2. Worked examples: Part 1: 8'04"

3. Worked examples: Part 2: 5'54"

Exam questions

1. Part 1: 7'30"

2. Part 2: 12'49"

3. Part 3: 6'12"

4. Part 4: 2'50"