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  1. Enthalpy Stoichiometry
    by Dr. Osama M. Khaled — published Aug 07, 2026 — last modified Aug 07, 2026 10:59 AM — filed under: Year 11, Year 12
    Use a reaction's ΔH as a conversion factor to find energy from amount, or amount from energy
    Located in Chemistry / Energy and Chemistry
  2. Valid Arguments
    by Dr. Osama M. Khaled — published Sep 13, 2026 — last modified Sep 14, 2026 01:26 AM — filed under: Year 11, Year 12
    Covers hypotheses, conclusions, valid argument as tautology, proof sequences, and correctness/completeness.
    Located in Mathematics / … / Formal Logic / Propositional Logic
  3. Derivation Rules
    by Dr. Osama M. Khaled — published Sep 13, 2026 — last modified Sep 14, 2026 01:27 AM — filed under: Year 11, Year 12
    Covers equivalence rules, inference rules, and how they are applied in proof sequences.
    Located in Mathematics / … / Formal Logic / Propositional Logic
  4. Deduction Method and Other Rules
    by Dr. Osama M. Khaled — published Sep 13, 2026 — last modified Sep 14, 2026 01:27 AM — filed under: Year 11, Year 12
    Covers the deduction method, hypothetical syllogism, and shortened proof sequences.
    Located in Mathematics / … / Formal Logic / Propositional Logic
  5. Propositional Logic - Review
    by Dr. Osama M. Khaled — published Sep 13, 2026 — last modified Sep 14, 2026 04:19 AM — filed under: Year 11, Year 12
    Reviews key techniques and main ideas for propositional logic.
    Located in Mathematics / … / Formal Logic / Propositional Logic
  6. Temperature Scales: Fahrenheit, Celsius, and Kelvin
    by Dr. Osama M. Khaled — published Aug 08, 2026 — last modified Aug 09, 2026 10:26 PM — filed under: Year 11, Year 12
    Explore the three common temperature scales, how they compare, and how to convert between them.
    Located in Physics / Temprature and Heat
  7. Thermal Expansion: Thermometers, Bimetallic Strips, and Linear Expansion
    by Dr. Osama M. Khaled — published Aug 08, 2026 — last modified Aug 09, 2026 10:26 PM — filed under: Year 11, Year 12
    Understand how materials expand with temperature, how that principle drives thermometers and bimetallic strips, and how to calculate linear expansion.
    Located in Physics / Temprature and Heat
  8. Heat, Internal Energy, and Specific Heat
    by Dr. Osama M. Khaled — published Aug 08, 2026 — last modified Aug 09, 2026 10:27 PM — filed under: Year 11, Year 12
    Distinguish between temperature, heat, and internal energy, and practice calorie, Btu, and specific heat calculations.
    Located in Physics / Temprature and Heat
  9. Review: Temperature and Heat
    by Dr. Osama M. Khaled — published Aug 08, 2026 — last modified Aug 09, 2026 10:28 PM — filed under: Year11, Year 12
    A comprehensive review covering temperature scales, thermal expansion, and heat, internal energy, and specific heat.
    Located in Physics / Temprature and Heat
  10. Gases in Motion: Kinetic Theory
    by Dr. Osama M. Khaled — published Jul 08, 2026 — last modified Jul 14, 2026 08:00 AM — filed under: Year 9, Year 11, Year 12
    Explore the postulates of the kinetic theory of gases and what it means for a gas to be ideal versus real
    Located in Chemistry / Gases
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