02:47

Convert Km/h to m/s in two steps.

08:35

Endothermic and exothermic reactions: How to calculate the bond energy?

04:14

How to calculate the percentage by mass of oxygen in carbon dioxide?

05:16

ISOTOPES: Find the relative atomic mass of an isotopes. Given % abundance.

02:05

ORGANIC CHEMISTRY: Oxidation of Secondary Alcohols to produce a ketone.

09:19

Weak base calculation. A 0.150M solution of morphine has a pH of 10.5. What is Kb for morphine?

08:01

Simple Machine: The Pully System.

03:08

How to find the refractive index?

02:04

ORGANIC CHEMISTRY: Oxidation of Primary Alcohol.

17:52

How to calculate the equilibrium concentration?

11:36

COMBINATION Parallel and Series Circuit1.

12:17

How to calculate the pH of a buffered solution.

05:08

NUCLEAR CHEMISTRY/PHYSICS: How to calculate the half life?

11:34

CHEMICAL KINETICS: How to calculate the initial concentration and time in first order reactions

09:19

Morphine is a weak base. A 0.150M solution of morphine has a pH of 10.5. What is Kb for morphine?

07:24

How to show Sum and Products of roots of a quadratic function.

05:17

STOICHIOMETRY:MOLE CONCEPT: How to find the mass when given the concentration.

07:00

Rate of change in a right-angled triangle. (Application of differentiation)

04:30

Evaluation of binary operations: Part1

15:26

How to calculate the equilibrium concentrations of H2,N2, H2O and Kc

04:21

How to find a power set of a given SET.

06:44

Evaluation of definite integrals involving trig ratios without using a calculator.

04:14

How to calculate the pH of a weak acid.

17:52

Calculate the equilibrium concentration. Given the K value

06:48

Hess's Law: Question. Step by step

17:52

Calculate the equilibrium concentration

06:52

ACIDS,BASES AND SALTS: Is the solution acidic, basic or natural?

06:48

Hess's Law: Chemistry 1

03:50

Pully System. Simple Machine

08:34

Differentiating using First Principle (Differentiating a quotient using first Principle)1

05:30

Electronic configuration: GRADE 12 AND IGCSE CHEMISTRY

02:16

COVALENT BONDS: How to count the number of bonds and number of electrons in a covalent compound?

04:49

MATRICES: Finding the value of x if 3x3 matrix is singular.

12:00

IGCSE O- Level Chemistry CORE/ EXT (Cambridge)AND GRADE 12 CHEMISTRY. How to write ionic equations.

10:13

CALCULUS: APPLICATION OF DIFFERENTIATION: STATIONARY POINTS AND THEIR CLASSIFICATION

11:36

IGCSE O- LEVELS AND GRADE 12 Physics: ELECTRICITY: COMBINATION Parallel and Series Circuit.

11:12

STOICHIOMETRY:MOLE CONCEPT: Find the theoretical yield and percentage yield. One excess reactant.

03:19

IGCSE O- LEVELS AND GRADE 12 Physics: CALCULATING VECTORS: Find the direction from the horizontal.

02:09

ACIDS,BASES AND SALTS: Reaction of a metal carbonate with an acid.

01:40

ACIDS,BASES AND SALTS: Reaction of a metal hydroxide with an acid.

08:01

SIMPLE MACHINE: Find a) velocity ratio. b) mechanical advantage. c) load and mass of a pulley.

05:16

ISOTOPES: How to find the relative atomic mass of an isotopes. Given % abundance.

09:41

IGCSE O- LEVELS AND GRADE 12 Physics: Simple Machine: pully system.

04:09

IGCSE O- LEVELS AND GRADE 12 Physics: CALCULATING VECTORS: Find the magnitude of the displacement

01:31

ACIDS,BASES AND SALTS: Reaction of a metal oxide with an acid.

01:37

ACIDS,BASES AND SALTS: Reaction of a metal and an acid.

16:39

STOICHIOMETRY:MOLE CONCEPT: Full video: Limiting Reagent and percentage yield. balance the equation.

10:24

ISOTOPES: Titanium has 3 common isotopes: Calculate the relative abundances of Ti-46 and Ti-47.

07:23

MATRICES: INVERSE OF A 3x3 MATRIX (determinant, matrix of cofactors, adjoints PART1

03:46

STOICHIOMETRY: MOLE CONCEPT: Limiting Reagent and percentage yield. balance the equation. part 3

09:18

STOICHIOMETRY: MOLE CONCEPT: Limiting Reagent and percentage yield. balance the equation. part 2

03:38

STOICHIOMETRY: MOLE CONCEPT: Limiting Reagent and percentage yield. balance the equation. part 1

11:34

CHEMICAL KINETICS: First-order calculations. Concentration and time. Full video.@zulubaconsultancy

06:06

IGCSE O- LEVELS AND GRADE 12 Physics: TRANSFORMER: How to find number of turns and current.

03:11

CHEMICAL KINETICS: First-order: How long (in min) will it take to convert 74 % of the material?

08:04

QUANTUM THEORY: Atomic Orbitals: Determine the number of subshells and give the designation when n=5

02:45

CHEMICAL KINETICS: First-order: How to the find time when given the concentration decrease?

05:17

STOICHIOMETRY: MOLE CONCEPT: How to find the mass when given the concentration and volume.

10:45

STOICHIOMETRY: MOLE CONCEPT: How to find the empirical and molecular formulas.

05:39

CHEMICAL KINETICS: First-order reaction calculation. What is the concentration after 8.8 min?