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somalibesttutor.com
Waa website online ah oo aad ka heleyso koorsooyin Mathematics iyo Chemistry ( Basic, Intermediate iyo Advance), 1500 video, laguna sharxay af Soomaali.
Waa fursad qaali ah ee haka faa'iideystaan dhamaan ardeyda Soomaaliyeed ( dugsiyada hoose, dhexe, sare iyo jaamacadaha ).

somalibesttutor.com

Waa website online ah oo aad ka heleyso koorsooyin Mathematics iyo Chemistry ( Basic, Intermediate iyo Advance), 1500 video, laguna sharxay af Soomaali, casharada waxaad ka baran kartaa meel kasta oo aad dunida ka joogto iyo xili kasta oo aad firaaqo u heshid.

Waa fursad qaali ah ee haka faa'iideystaan dhamaan ardeyda Soomaaliyeed ( dugsiyada hoose, dhexe, sare
iyo jaamacadaha ).

Chemistry ( Somali )

Koorsadaan Kimisteriga waxa ay ka kooban tahay cutub walba oo aad uga baahato General Kimisteriga. Hadaadan kimisteriga aqoon h**e u laheyn iyo hadaad in yar ka taqaanaba, koorsadaan waxa ay kaaga bilaabeysaa bilow ilaa iyo qeybaha sare ee lagu barto jaamacadaha iyo macadyada sare.

Koorsadaan kimisteriga waxaa loogu talagalay ardeyda dooneysa iney meel sare ka gaaraan cilmiga sayniska sida ardeyda dooneysa iney bartaan maadooyinka : Science, Chemical Engineering, Material Engineering, Medical Universities, Nursing, Biochemistry, Pharmaceutical and Pharmacy colleges, Biological Sciences.

Koorsadaan kimisteriga waxaa kale oo loogu talagalay inay kaa caawiso sidii aad ula qabsan laheyd cutub walba oo kimisteri ah oo laga dhigo jaamacadaha, macadyada sare iyo dugsiyada sare si aad kor ugu qaado buundooyinkaa imtixaanada.

Koorsadan waxa ay ka kooban tahay 300 video oo si fiican oo faahfaahsan loogu sharxay luqada af Soomaaliga, waxayna isugu xigxigaan hab wanaagsan oo midba midka kale ku xiran.

Adiga oo isticmaalaya Tusmada (Contents) waxaad si fudud uga dooran kartaa cutub kasta iyo video kasta oo aad u baahan tahay iyo waliba meeshaad is leedahay waa ay kugu adag tahay.

Koorsadan waxa kale oo aad ka heleysaa tusaalooyin badan oo si talaabo talaabo ah kuugu sharxaaya habka ugu fudud ee loo xaliyo su’aalaha kala duwan ee kimisteriga.

Inshaa allaah kadib marka aad dhameysato koorsadan waxaa kaa hari doona fahan la’aantii iyo welwelkii aad ka qabtay kimisteriga.
Hadaba maxaad sugeysaa? Is diiwaangeli hada. Noqona qof macalin ku ah maadada kimisteriga.

Nala soo xiriir oo noo soo gudbi sida aad u aragto koorsadan iyo waliba wixii kale ee aan ku dari laheyn ama aan kaa caawin laheyn.
Mahadsanid.

Diyaariye: Mahad Salad

Contentis of chemistry

1. Introduction to Chemistry
⦁ Concept of Matter.
⦁ Classification of Matter.
⦁ Elements and Compounds.
⦁ Homogenous and Heterogeneous Mixtures.
⦁ Chemical Properties.
⦁ Concept of Density.

2. Atomic Mass
⦁ Electrons, Protons and Neutrons.
⦁ Atomic Number and Atomic Mass.
⦁ Isotopes and Isotopic abundance.
⦁ Weighted Atomic Mass.

3. Ionic Compounds
⦁ Cations, Anions.
⦁ Polyatomic Ions.
⦁ Naming Ionic and Hydrated Compounds.

4. Moles
⦁ The Moles
⦁ Molar Mass.
⦁ Convert Mass to Mole.
⦁ Convert Mole to Mass.
⦁ Avogadro’s number.

5. Elemental Analysis
⦁ Percent Composition.
⦁ Mass Percent.
⦁ Molecular Formula.
⦁ Empirical Formula.

6. Balancing Reactions
⦁ Balancing Reactions.

7. Stoichiometry
⦁ Stoichiometric Reactions.
⦁ Mole Ratio.

8. Limiting Reagents / Reactions
⦁ Limiting Reagents / Reactions.

9. Molarity and Concentration
⦁ Molarity and Concentration.
⦁ Dilution.
⦁ Molarity Ions in Solutions.

10. Solution Reactions
⦁ Stoichiometry of Solution Reactions.

11. Net Ionic Equations
⦁ Solubility Rules.
⦁ Double Replacement Reactions.
⦁ Precipitates.
⦁ Net Ionic Equations.

12. Titration
⦁ Strong Acid and Strong Base Titration.

13. Oxidation Numbers
⦁ Oxidation Numbers.

14. Oxidation and Reduction (Redox)
⦁ Oxidation and Reduction.
⦁ Oxidizing or Reducing Agents.

15. Ideal Gas Laws
⦁ Gas Properties: Pressure, Volume and Temperature.
⦁ Concept of STP.
⦁ Density.

16. Gas Law Reactions
⦁ Stoichiometric of Gas Reactions.

17. Ideal Gas Mixtures
⦁ Partial Pressures and Partial Volumes.
⦁ Mole Fraction.
⦁ Stoichiometric of Gas Mixtures.

18. First Law of Thermodymics
⦁ Kinetic Energy
⦁ System
⦁ Internal energy
⦁ Heat
⦁ Work

19. Enthalpy
⦁ Endothermic reactions
⦁ Exothermic reactions

20. Heat Capacity
⦁ Heat capacity
⦁ Specific heat
⦁ Bomb calorimetry

21. Hess’s Law
⦁ Hess’s Law

22. Heat of Formation
⦁ Standard heats of formation

23. Electromagnetic Radiation and Photons
⦁ Electromagnetic Radiation
⦁ Electromagnetic Spectrum
⦁ Wavelength and Frequency of Photons
⦁ Energy of the photon

24. Bohr Hydrogen Model
⦁ Bohr Hydrogen Model
⦁ Electron Shells ( Energy Levels)
⦁ Energy of Electron Transitions in a Hydrogen atom
⦁ De Broglie wavelength

25. Quantum Numbers
⦁ The Four Quantum Numbers

26. Electron Configuration 1
⦁ Orbitals
⦁ Electron Spin
⦁ Sub-shells
⦁ Orbital Diagrams
⦁ Filling Orbital Diagrams

27. Electron Configuration 2
⦁ Noble gas Electron Configuration
⦁ Electron Configuration of ions

28. Electron Configuration 3
⦁ Valence Electrons and

29. Electron Configuration 4
⦁ Exceptions of Electron Configuration
⦁ Para-magnetic or Dia-magnetic Atoms / Ions

30. Periodic Table Trends
⦁ Atomic Radius
⦁ Ionic Radius
⦁ Ionization Energy
⦁ Electron Affinity
⦁ Metallic and Non-metallic Characters

31. Lewis Dot Diagrams
⦁ Lewis Dot Diagram for Single Elements
⦁ Lewis Dot Diagram for Ionic Compounds

32. Lewis Structures 1
⦁ Lewis Structures for Simple Covalently Bonded Molecules

33. Lewis Structures 2
⦁ Lewis Structures for Complex Molecules

34. Electronegativity
⦁ Trends of Electronegativity
⦁ Polar Bonds
⦁ Dipole Moments

35. Formal Charges
⦁ Calculating Formal Charges in Simple Lewis Structures

36. Lewis Structures 3
⦁ Calculating Formal Charges in Complex Lewis Structures

37. Resonance
⦁ Drawing Multiple Resonance Structures.

38. Lewis Structures 4
⦁ Lewis Structure Exceptions
⦁ Electron Deficient Molecules or Compounds
⦁ Electron Expanded Molecules or Compounds

39. Lewis Structures 4
⦁ Multiple Practice Problems of Lewis Structures

40. Bond Energy
⦁ Relationship between Bond Length and Bond Energy
⦁ Heat of Balanced Chemical Reaction based on Bond Energies

41. Molecular Geometry
⦁ VSEPR Geometry
⦁ Bond Angles
⦁ Hybridization
⦁ Geometry of Molecules with more than one Central Atom
⦁ Geometry of Molecules with Double Bonds.

42. Sigma and Pi Bonds
⦁ Structures of Sigma and Pi Bonds

43. Molecular Polarity
⦁ Polar Molecules based on VSEPR Geometry
⦁ Non- Polar Molecules based on VSEPR Geometry

44. Molecular Orbitals
⦁ Molecular Orbital Diagrams
⦁ Bonding and Anti-Bonding Molecular Orbitals
⦁ Bond Order
⦁ Para-magnetism or Dia-magnetism Molecules based on Molecular
Orbital Diagram

45. Phase Changes
⦁ Fusion
⦁ Crystallization
⦁ V***rization
⦁ Condensation
⦁ Sublimation
⦁ Deposition

46. V***r Pressure
⦁ V***r Pressure of Liquids
⦁ Interpreting Phase Diagrams of Substances

47. Intermolecular Forces
⦁ London Dispersion Forces
⦁ Dipole-Dipole Forces
⦁ Hydrogen Bonding
⦁ Ionic Bonding
⦁ Relationship of Intermolecular Forces to Melting or Boiling points

48. Percent Concentration
⦁ Mass Percent of Components in a Solution
⦁ Volume Percent of Components in a Solution

49. Molality
⦁ Molality of Solutions

50. Raoult’s Law
⦁ Mole Fraction of a Component in a Solution
⦁ V***r Pressure of a Component in a Solution

51. Solubility Curves
⦁ Solubility Curves
⦁ Saturated, Unsaturated and Supersaturated Solutions

52. Colligative Properties
⦁ Boiling Point Elevation based on Molality and Van’t Hoff Factor
⦁ Freezing Point Depression based on Molality and Van’t Hoff Factor
⦁ Osmotic Pressures of a Solution

53. Rate of Reactions
⦁ Definition of Rate of Reactions
⦁ Average Rate of Production
⦁ Average Rate of Consumption

54. The Rate Law
⦁ Definition of Rate Law
⦁ Rate Constant
⦁ Reaction Order
⦁ Rate Constant Units
⦁ Rate of a Reaction based on Experimental Data

55. First Order Reactions
⦁ First Order Reaction
⦁ Concept of Half-Life

56. Zero and Second Order Reactions
⦁ Zero Order Reaction
⦁ Second Order Reaction
⦁ Graphs of Reaction Orders

57. Kinetics
⦁ Activation Energy
⦁ Collision Theory
⦁ Catalysts
⦁ Factors that affect the Rate of Reactions
⦁ Rate of Reaction Constant and Temperature

58. Mechanisms
⦁ Mechanisms and Overall Rate Law

59. Equilibrium Constant 1
⦁ The Definition of Equilibrium
⦁ Equilibrium Constant Expression

60. Equilibrium Constant 2
⦁ Concentration Equilibrium Constant
⦁ Pressure Equilibrium Constant

61. Reaction Quotient
⦁ The Definition of Reaction Quotient
⦁ Mathematical problems for Reaction Quotient

62. Le Chatelier’s Principle
⦁ The Definition of Le Chatelier’s Principle

63. Equilibrium Problems
⦁ Using ICE Charts to solve Equilibrium Problems

64. Brønsted-Lowry and Arrhenius Acids and Bases
⦁ Definition of Strong Acids and Strong Bases
⦁ Definition of Conjugate Acids and Conjugate Bases
⦁ Relative Strengths of Conjugate Acids and Conjugate Bases

65. pH, pOH,
⦁ Acid and Base Dissociation Constant
⦁ Acid and Base Dissociation Constant Expressions
⦁ Calculating pH and pOH of Acidic and Basic Solution

66. Weak Acids and Weak Bases 1
⦁ Calculating pH of Weak Acids or Weak Bases
⦁ Polyprotic Acids

67. Weak Acids and Weak Bases 2
⦁ Using ICE Charts to find the pH of Acidic or Basic Salts in Solution

68. Weak Acids and Weak Bases 3
⦁ Buffer Solutions
⦁ Find the pH of Buffer Solutions
⦁ Common Ion Effect

69. Weak Acids and Weak Bases 4
⦁ Acid – Base Indicators
⦁ Finding pH Titrating Weak Acid with Strong Base
⦁ Finding pH Titrating Weak Base with Strong Acid
⦁ Equivalence ( Neutralization ) Point

70. Lewis Acids and Bases
⦁ Definition of Lewis Acids and Bases
⦁ Finding Lewis Acids and Bases in a Molecular Structures

71. Solubility Product
⦁ Definition of Solubility Product (Ksp)
⦁ Solubility Product Expressions
⦁ Molar Solubility
⦁ Predicting Precipitations

72. Entropy
⦁ Definition of Entropy
⦁ Positive and Negative Entropy
⦁ Phase Change of Entropy
⦁ Overall Change of Entropy
⦁ Standard Molar Entropies

73. Spontaneity
⦁ The Concept of Free Energy
⦁ Relationship between Spontaneity, Enthalpy and Entropy
⦁ Prediction whether a process is Spontaneous

74. Free Energy ( ) and Equilibrium Constant ( )
⦁ Calculating Free Energy from Entropy
⦁ Calculating Free Energy from Enthalpy
⦁ Calculating Free Energy from Standard Free Energy
⦁ Calculating Free Energy from Overall Equilibrium Constant

75. Keq and Temperature
⦁ V***r Pressure
⦁ Relationship between Equilibrium Constant and Temperature

76. Redox Reactions
⦁ The Concept of Half-Reactions
⦁ Balancing Redox Reactions in Acidic Conditions
⦁ Balancing Redox Reactions in Basic Conditions

77. Voltaic Cells and E cell
⦁ The Definition of Ecell and Voltaic Cell
⦁ Cell Line Notation
⦁ Relationship between Ecell and Spontaneity

78. E cell, Delta G and Keq
⦁ Relationship between Ecell, Free energy and Equilibrium Constant

79. Concentration and E cell
⦁ Ecell of Non-Standard Conditions
⦁ Using Nernst Equation

80. Electroplating
⦁ Definition of Charge (Coulomb) and Current (Ampere)
⦁ Electroplating Problems.