الكيمياء | Chemistry — مقرر جامعي مجاني
مِسبار · مقرر جامعي مجاني
Chemistry
تعلم الكيمياء (Chemistry) مجانًا عبر 10 وحدات و239 فيديو تعليميًا، بإجمالي نحو 34 ساعة، ضمن مكتبة مِسبار الجامعية.
Chemistry is the study of matter and the changes it undergoes.
- 10 وحدات.
- 239 فيديو.
- نحو 34 ساعة مشاهدة.
- المستوى: college.
ابدأ مشاهدة المقرر داخل مكتبة مِسبار
التخصصات المرتبطة بالمقرر
- الهندسة الكيميائية (Chemical Engineering)
- الهندسة المدنية (Civil Engineering)
- الطب (Medicine)
- الصيدلة (Pharmacy)
- التمريض (Nursing)
- التغذية (Nutrition)
- المختبرات الطبية (Medical Laboratory Sciences)
- الكيمياء (Chemistry)
- الأحياء (Biology)
- تعليم العلوم (Science Education)
وحدات ودروس المقرر
1. Atoms, compounds, and ions
38 فيديو تعليمي.
موضوعات ودروس الوحدة
- Worked example: Atomic weight calculation
- The mole and Avogadro's number
- The history of atomic chemistry
- Rutherford’s gold foil experiment
- Heisenberg uncertainty principle
- Quantum numbers
- Quantum numbers for the first four shells
- Shells, subshells, and orbitals
- Introduction to electron configurations
- Noble gas configuration
- Electron configurations for the first period
- Electron configurations for the second period
- Electron configurations for the third and fourth periods
- Electron configurations of the 3d transition metals
- Paramagnetism and diamagnetism
- The Aufbau principle
- Valence electrons
- Valence electrons and ionic compounds
- Introduction to photoelectron spectroscopy
- Groups of the periodic table
- Counting valence electrons for main group elements
- The periodic table - transition metals
- Atomic radius trends on periodic table
- Atomic and ionic radii
- Mini-video on ion size
- Ionization energy trends
- Ionization energy: period trend
- First and second ionization energy
- Electron affinity: period trend
- Electronegativity
- Electronegativity and bonding
- Metallic nature
- Periodic trends and Coulomb's law
- Worked example: Identifying an element from successive ionization energies
- Ionization energy: group trend
- Naming ionic compound with polyvalent ion
- Mass spectrometry
- Worked example: Identifying an element from its mass spectrum
2. Chemical bonds
36 فيديو تعليمي.
موضوعات ودروس الوحدة
- Metallic nature
- Electronegativity and bonding
- Bond length and bond energy
- Worked example: Interpreting potential energy curves of diatomic molecules
- Lattice energy
- Ionic bonds and Coulomb's law
- Ionic solids
- Metallic solids
- Molecular solids
- Covalent network solids
- Representing ionic solids using particulate models
- Drawing dot structures
- Drawing Lewis diagrams
- Worked example: Lewis diagram of formaldehyde (CH₂O)
- Worked example: Lewis diagram of the cyanide ion (CN⁻)
- Worked example: Lewis diagram of xenon difluoride (XeF₂)
- Exceptions to the octet rule
- Resonance
- Resonance and dot structures
- Formal charge
- Formal charge and dot structures
- Worked example: Using formal charges to evaluate nonequivalent resonance structures
- VSEPR for 2 electron clouds
- VSEPR for 3 electron clouds
- More on the dot structure for sulfur dioxide
- VSEPR for 4 electron clouds
- VSEPR for 5 electron clouds (part 1)
- VSEPR for 5 electron clouds (part 2)
- VSEPR for 6 electron clouds
- Molecular polarity
- 2015 AP Chemistry free response 2d and e
- sp³ hybridization
- Steric number
- sp² hybridization
- sp hybridization
- Worked examples: Finding the hybridization of atoms in organic molecules
3. Chemical reactions and stoichiometry
16 فيديو تعليمي.
موضوعات ودروس الوحدة
- Chemical reactions introduction
- Balancing chemical equations
- Balancing more complex chemical equations
- Visually understanding balancing chemical equations
- Balancing another combustion reaction
- Balancing chemical equation with substitution
- Worked example: Calculating amounts of reactants and products
- Worked example: Relating reaction stoichiometry and the ideal gas law
- Worked example: Calculating the amount of product formed from a limiting reactant
- Empirical, molecular, and structural formulas
- Worked example: Calculating mass percent
- Worked example: Determining an empirical formula from percent composition data
- Worked example: Determining an empirical formula from combustion data
- Worked example: Using oxidation numbers to identify oxidation and reduction
- Dissolution and precipitation
- Precipitation reactions
4. More about chemical reactions
3 فيديو تعليمي.
5. Gases and kinetic molecular theory
12 فيديو تعليمي.
موضوعات ودروس الوحدة
- The ideal gas law (PV = nRT)
- Worked example: Using the ideal gas law to calculate number of moles
- Worked example: Using the ideal gas law to calculate a change in volume
- Gas mixtures and partial pressures
- Worked example: Calculating partial pressures
- Worked example: Vapor pressure and the ideal gas law
- The kinetic molecular theory of gases
- Kinetic molecular theory and the gas laws
- The Maxwell–Boltzmann distribution
- Introduction to real gases
- Real gases: Deviations from ideal behavior
- The van der Waals equation
6. States of matter and intermolecular forces
32 فيديو تعليمي.
موضوعات ودروس الوحدة
- States of matter
- States of matter follow-up
- Specific heat and latent heat of fusion and vaporization
- Specific heat, heat of fusion and vaporization example
- Chilling water problem
- Change of state example
- Vapor pressure
- Phase diagrams
- Representing solids, liquids, and gases using particulate models
- Crystalline and amorphous polymers
- Representing alloys using particulate models
- London dispersion forces
- Dipole–dipole forces
- Hydrogen bonding
- Ion–dipole forces
- Intermolecular forces and vapor pressure
- Solubility and intermolecular forces
- Surface tension
- Capillary action and why we see a meniscus
- Boiling points of organic compounds
- Boiling point comparison: AP Chemistry multiple choice
- Solubility of organic compounds
- Types of mixtures
- Molarity
- Dilution
- Representing solutions using particulate models
- Boiling point elevation and freezing point depression
- Distillation
- Distillation curves
- Thin-layer chromatography (TLC)
- Calculating retention factors for TLC
- Column chromatography
7. Chemical equilibrium
3 فيديو تعليمي.
8. Acids, bases, and solutions
40 فيديو تعليمي.
موضوعات ودروس الوحدة
- Arrhenius acids and bases
- Brønsted–Lowry acids and bases
- Autoionization of water
- Definition of pH
- Strong acid solutions
- Strong base solutions
- Acid strength, anion size, and bond energy
- Conjugate acid–base pairs
- Relationship between Ka and Kb
- Ka and acid strength
- Weak acid equilibrium
- Weak base equilibrium
- Acid–base properties of salts
- pH of salt solutions
- Introduction to buffers
- Properties of buffers
- Henderson–Hasselbalch equation
- Common ion effect and buffers
- Buffer solution pH calculations
- Methods for preparing buffers
- pH and pKa relationship for buffers
- Buffer capacity
- Acid–base titrations
- Worked example: Determining solute concentration by acid–base titration
- Titration of a strong acid with a strong base
- Titration of a strong acid with a strong base (continued)
- Titration of a weak acid with a strong base
- Titration of a weak acid with a strong base (continued)
- Titration of a weak base with a strong acid
- Titration of a weak base with a strong acid (continued)
- Titration curves and acid-base indicators
- Redox titrations
- Dissolution and precipitation
- Common polyatomic ions
- Introduction to solubility equilibria
- Worked example: Calculating solubility from Kₛₚ
- 2015 AP Chemistry free response 4
- The common-ion effect
- pH and solubility
- Solubility and complex ion formation
9. Redox reactions and electrochemistry
30 فيديو تعليمي.
موضوعات ودروس الوحدة
- Oxidation and reduction
- Oxidation state trends in periodic table
- Practice determining oxidation states
- Unusual oxygen oxidation states
- Oxidizing and reducing agents
- Disproportionation
- Worked example: Balancing a simple redox equation
- Worked example: Balancing a redox equation in acidic solution
- Worked example: Balancing a redox equation in basic solution
- Redox titrations
- Redox reaction from dissolving zinc in copper sulfate
- Introduction to galvanic/voltaic cells
- Electrodes and voltage of Galvanic cell
- Shorthand notation for galvanic/voltaic cells
- Lead storage battery
- Nickel-cadmium battery
- Standard reduction potentials
- Voltage as an intensive property
- Using reduction potentials
- Spontaneity and redox reactions
- Free energy and cell potential
- Standard cell potential and the equilibrium constant
- Calculating the equilibrium constant from the standard cell potential
- Galvanic cells and changes in free energy
- Nernst equation
- Using the Nernst equation
- Concentration cell
- Introduction to electrolysis
- Quantitative electrolysis
- Electrolysis of molten sodium chloride
10. Kinetics
33 فيديو تعليمي.
موضوعات ودروس الوحدة
- Introduction to kinetics
- Introduction to reaction rates
- Factors affecting reaction rates
- Rate law and reaction order
- Units of the rate constant
- Worked example: Determining a rate law using initial rates data
- First-order reactions
- First-order reaction (with calculus)
- Plotting data for a first-order reaction
- Half-life of a first-order reaction
- Worked example: Using the first-order integrated rate law and half-life equations
- Second-order reactions
- Second-order reaction (with calculus)
- Half-life of a second-order reaction
- Zero-order reactions
- Zero-order reaction (with calculus)
- Kinetics of radioactive decay
- Collision theory
- The Arrhenius equation
- Forms of the Arrhenius equation
- Using the Arrhenius equation
- Collision theory and the Maxwell–Boltzmann distribution
- Elementary reactions
- Reaction mechanism and rate law
- The pre-equilibrium approximation
- Multistep reaction energy profiles
- Catalysts
- Types of catalysts
- Introduction to spectroscopy
- Electronic transitions and energy
- Worked example: Calculating the maximum wavelength capable of ionization
- Spectrophotometry and the Beer–Lambert Law
- Worked example: Calculating concentration using the Beer–Lambert law
مقررات مرتبطة
- حساب المثلثات | Trigonometry
- ما قبل التفاضل والتكامل | Precalculus
- الإحصاء والاحتمالات | Statistics & probability
- التفاضل والتكامل AP (AB) | AP®︎ Calculus AB
- التفاضل والتكامل AP (BC) | AP®︎ Calculus BC
- الإحصاء AP | AP®︎ Statistics
المصدر والحقوق
المحتوى الأصلي المرخص: أكاديمية خان. تقوم مِسبار بالفهرسة والتنظيم حسب التخصص، وتعرض الفيديوهات المرخصة غير التجارية داخل مكتبة مجانية مستقلة.