HọcHóa.TT · Chemistry Tools
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Interactive Chemistry Tools

High school · AP · IGCSE · University foundations

Not just answers — but the reasoning behind every chemical step.
Chemical Foundations
Core quantitative tools used across chemistry topics

📊 Periodic Data & Molecular Formula

  • Periodic data
  • Molecular formula
  • Isotope dating
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⚛️ Isotopes & Nuclear Chemistry

  • Isotopes & Nuclear Chemistry
  • Radioactive Decay & Dating
  • Isotope Applications
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🧫 Acid–Base Calculator

  • [H⁺], pH, K, pK
  • Strong / weak acids & bases
  • Buffer pH
  • Titration
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⚛️ 3D Orbital & Molecular Visualizer

  • Atomic Orbitals
  • Hybrid Orbitals
  • Molecular Geometry
  • Coordination Complexes
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Physical Chemistry
Energy, equilibrium, and electrochemistry

🔥 Thermodynamics

  • ΔH calculation
  • Hess’s law
  • Bond enthalpy
  • Entropy & ΔG
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⚖️ Chemical Equilibrium

  • ΔG° ↔ K
  • Kc · Kp · Q
  • ICE tables
  • Le Châtelier’s principle
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⚡ Reaction Energetics & Electrochemistry

  • ΔH of reaction
  • Activation energy
  • Electrochemistry
  • Electrolysis
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🌡️ Gas Law & Thermochemistry Bridge

  • Gas Laws & State Variables
  • Kinetic Molecular Theory
  • Thermochemistry Bridge
  • Practical Review ⭐
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🔁 Redox Master Tool

  • Oxidation Number Calculator
  • Redox Equation Balancer
  • Electrochemical Cell
  • Electrolysis
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🔁 Molecular Orbital Theory — π Systems in Hydrocarbons

  • Ethylene – C₂H₄
  • Acetylene – C₂H₂
  • Benzene – C₆H₆
  • Comparison
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Organic Chemistry
Structure, reactions, and spectroscopy

⚗️ Organic Chemistry

  • IUPAC Nomenclature
  • Constitutional Isomers
  • Stereoisomers
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🫆 Spectroscopy in Organic Chemistry

  • Spectroscopy Overview
  • Mass Spectrometry (MS)
  • Infrared (IR)
  • NMR (¹H / ¹³C)
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🧩 Reaction Pathway

  • Electronic Effects
  • Acids‑Bases
  • Reaction Mechanisms
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🫆 Coordination Chemistry

  • Structure & Nomenclature
  • Electronic Structure & Magnetism
  • Coordination Properties & Isomerism
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Practice & Learning
Exam practice and teaching resources

🫆 Spectroscopy Test

  • Mass Spectrometry (MS)
  • Infrared (IR)
  • NMR (¹H / ¹³C)
  • Combine
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🎓 Practice & Quizzes (Pilot run)

  • Practice generators
  • Timed quizzes
  • Teacher resources
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