Exam preparation: Gr 11 PS

Vectors

• Part 1 (9'51") (Self-marking quiz)

• Part 2 (15'47")

Force

Single object on horizontal plane with friction:

1. Strategy 11'06"

2. Solution 3'35"

Single object on inclined plane with friction:

1. Strategy 5'58"

2. Solution 2'37"

System of objects on horizontal frictionless plane:

• System of objects on horizontal frictionless plane: 11'51"

System of objects on horizontal plane with friction:

1. Strategy 9'37"

2. Solution 5'58"

Electrostatics

Electrostatics: 20'40" (Download question)

Electromagnetism

Faraday's Law 16'69" (Download question)

Electric circuits

1. PS 2019 Nov P1: Movie (21'40")
   Question 8 & Memo

2. Graph question: Worked example (7'10")

3. 2 Switch Question: Worked example (4'28")

Stoichiometry

• Empirical and true formulae 7'51"

• Concentration:

1. Part 1: 12'33"

2. Part 2: 7'19"

• Reaction-based stoichiometry calculation questions:

1. Part 1: 7'30"

2. Part 2: 13'20"

3. Part 3: 6'13"

4. Part 4: 2'51"

• Percentage yield:

1. Part 1: 8'03"

2. Part 2: 5'54"

• Limiting reagent 13'53"

• Percentage purity: Exam questions 12'27"

• Percentage purity: Grade 12 Exam questions 13'48"

Concentration, pH and percentage purity:

• 1. Part 1: Concentration and pH 5'02"

  2. Part 2: Percentage purity 11'17"

  3. Part 3: Overview and recap of percentage purity question 2'01"

Gases

• Boyle's Law: 5'46"

• Universal gas equation: 5'51"

• Real and ideal gases: 6'20"