Chemistry
Periodic Table & Trends
The **Periodic Table & Trends** resource visualizes how fundamental element properties like **Atomic Radius**, **Ionization Energy**, and **Electronegativity** change systematically across the periodic table.
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Evolution of Atomic Models
**Atomic Models** represent the scientific evolution of our understanding of matter. This resource traces the historical progression from Dalton's solid spheres to the modern quantum mechanical probability clouds.
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Le Châtelier's Principle
**Le Châtelier's Principle** predicts how chemical systems at equilibrium respond to external disturbances. This simulator focuses on the complex effects of **Pressure**, **Volume**, and **Inert Gas Addition** within a piston chamber.
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Gibbs Free Energy
**Gibbs Free Energy (ΔG)** is the thermodynamic criteria for reaction spontaneity. This simulator visualizes the competition between **Enthalpy (ΔH)** and **Entropy (ΔS)** as a function of temperature.
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Buffer Solution
A **Buffer Solution** is an aqueous system comprising a weak acid and its conjugate base that resists changes in pH. This simulator visualizes the **Henderson-Hasselbalch equation** and **Buffering Capacity** in real-time.
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Initial Rate Method: Deriving Rate Equations
The **Initial Rate Method** is an experimental technique used to determine **Reaction Orders** and **Rate Laws**. This tool simulates virtual experiments to quantify kinetics patterns.
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Nucleophilic Substitution Mechanisms
**Nucleophilic Substitution Mechanisms** represent the path of electron flow in organic chemistry. This tool allows you to draw **Curly Arrows** for **SN1** and **SN2** reactions to trace the movement of electron pairs.
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Stoichiometry
**Stoichiometry** is the calculation of reactants and products in chemical reactions. This tool visualizes the **Limiting Reagent** and how its depletion dictates the **Theoretical Yield**.
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Intermolecular Forces
**Intermolecular Forces (IMFs)** are the electrostatic attractions between neighboring molecules. This interactive lab compares the strength of **Hydrogen Bonding**, **Dipole-Dipole**, and **London Dispersion Forces**.
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