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Chemistry & Physics diagram templates
Energy diagrams, circuits, free-body, optics, reaction networks.
Physics — Photon Properties
Photon energy, momentum, wavelength and photon flux.
LaTeX (KaTeX)Physics — Gravitational Fields
Field strength, potential and the field–potential gradient.
LaTeX (KaTeX)Physics — Drag & Terminal Velocity
Drag force and the terminal velocity of a falling body.
LaTeX (KaTeX)Chemistry — Electron Configuration
Orbital filling order, capacities and the governing principles.
LaTeX (KaTeX)Chemistry — Born–Haber & Lattice Energy
Born–Haber cycle, lattice-energy scaling and dissolution.
LaTeX (KaTeX)Chemistry — Formal Charge & Oxidation Number
Formal charge formula and the usual oxidation-state rules.
LaTeX (KaTeX)Chemistry — pH of Strong & Weak Acids
Hydrogen-ion concentration for strong vs weak acids.
LaTeX (KaTeX)Chemistry — Gas Density & Molar Mass
Linking gas density, molar mass and the ideal gas law.
LaTeX (KaTeX)Chemistry — Arrhenius & Temperature
Arrhenius equation in exponential, log and two-point forms.
LaTeX (KaTeX)Chemistry — Reactivity Series
Metals ordered by reactivity, most to least.
Graphviz (DOT)Chemistry — Polymerisation Types
Addition vs condensation polymers with examples.
Graphviz (DOT)Chemistry — Flame Test Colours
Characteristic flame colours of metal cations.
Graphviz (DOT)Chemistry — Separation Techniques
Choosing a separation method by mixture type.
Graphviz (DOT)Chemistry — Reactions of Acids
Typical products when an acid reacts with different substances.
Graphviz (DOT)Chemistry — The Mole Map
Converting between mass, moles, particles and gas volume.
Graphviz (DOT)Chemistry — Hydrogen Chloride (3D, XYZ)
A simple polar diatomic molecule.
3D Molecules (3Dmol)Chemistry — Nitrogen (3D, XYZ)
The N2 molecule with its triple bond.
3D Molecules (3Dmol)Chemistry — Hydrogen Cyanide (3D, XYZ)
Linear HCN with a carbon–nitrogen triple bond.
3D Molecules (3Dmol)Physics — Free-body: simply supported beam
A beam on two supports carrying a central point load.
Free-body diagramPhysics — Free-body: tightrope walker
Weight balanced by tension in two sagging rope segments.
Free-body diagramPhysics — Circuit: switched lamp
A cell, switch and lamp (modelled as a resistor) in series.
Circuit schematicPhysics — Circuit: parallel LEDs
Two current-limited LEDs in parallel across a supply.
Circuit schematicPhysics — Logic: 3-input majority voter
Outputs 1 when at least two of three inputs are high.
Digital logic (gates / K-map / truth table)Chemistry — Reaction Network
Reactants and products linked through a reaction node.
Cytoscape (Network)Physics — Rolling Motion
Rolling without slipping and energy of a rolling body.
LaTeX (KaTeX)Physics — Energy in SHM
Energy, velocity and acceleration relations in SHM.
LaTeX (KaTeX)Physics — Elastic Moduli
Young's, shear and bulk moduli and strain energy.
LaTeX (KaTeX)Physics — Magnetic Flux & Induction
Flux, Faraday's law, motional EMF and inductor energy.
LaTeX (KaTeX)Physics — Relativistic Doppler & Redshift
Relativistic Doppler shift and cosmological redshift.
LaTeX (KaTeX)Physics — Bragg Diffraction
Bragg's law, crystal spacing and the de Broglie wavelength.
LaTeX (KaTeX)Chemistry — Redox & Cell Potential
Oxidation/reduction and standard cell potential.
LaTeX (KaTeX)Chemistry — Degree of Dissociation
Ostwald's dilution law for a weak electrolyte.
LaTeX (KaTeX)Chemistry — Osmotic Pressure
Van 't Hoff factor and osmotic pressure.
LaTeX (KaTeX)Chemistry — Henry's Law
Solubility of a gas in a liquid.
LaTeX (KaTeX)Chemistry — How Catalysts Work
A catalyst lowers activation energy and is regenerated.
Graphviz (DOT)Chemistry — Oxidising & Reducing Agents
What oxidising and reducing agents do to electrons.
Graphviz (DOT)Chemistry — Acid–Base Indicators
Colour changes of common indicators.
Graphviz (DOT)Chemistry — Which Bond Type?
A decision tree for predicting bonding.
Graphviz (DOT)Chemistry — Hydrogen Peroxide (3D, XYZ)
The non-planar H2O2 molecule.
3D Molecules (3Dmol)Chemistry — Ethane (3D, XYZ)
Staggered ethane showing the C–C single bond.
3D Molecules (3Dmol)Physics — AC RMS Values & Power
Root-mean-square voltage/current and average AC power.
LaTeX (KaTeX)Physics — Thermal Conduction & U-values
Fourier conduction, thermal resistance and U-values.
LaTeX (KaTeX)Physics — Doppler Effect (Sound)
The full acoustic Doppler formula and sign conventions.
LaTeX (KaTeX)Physics — Rocket & Variable Mass
Thrust and the Tsiolkovsky rocket equation.
LaTeX (KaTeX)Physics — Magnetic Dipole
Magnetic moment, torque and potential energy of a current loop.
LaTeX (KaTeX)Physics — Wave Intensity & Power
Intensity, its dependence on amplitude and frequency, and level.
LaTeX (KaTeX)Chemistry — Rate Constant Units
Units of the rate constant for each overall order.
LaTeX (KaTeX)Chemistry — Entropy & Spontaneity
Entropy change, the second law and spontaneity criterion.
LaTeX (KaTeX)Chemistry — Kp & Partial Pressures
Equilibrium constant in terms of partial pressures.
LaTeX (KaTeX)Chemistry — Crystal Field & Colour
d-orbital splitting and the origin of transition-metal colour.
LaTeX (KaTeX)Chemistry — Multi-step Reaction Mechanism
Reactants through intermediates to products.
Cytoscape (Network)Chemistry — Organic Families
Homologous series grouped by functional group.
Graphviz (DOT)Chemistry — Exothermic vs Endothermic
Energy change and examples for each reaction type.
Graphviz (DOT)Chemistry — Electrochemical Cell
Anode, cathode and ion/electron flow in a galvanic cell.
Graphviz (DOT)Chemistry — Groups of the Periodic Table
The named main groups and their character.
Graphviz (DOT)Chemistry — Sulfur Hexafluoride (3D, XYZ)
Octahedral SF6 — a classic VSEPR geometry.
3D Molecules (3Dmol)Chemistry — Boron Trifluoride (3D, XYZ)
Trigonal-planar BF3.
3D Molecules (3Dmol)Physics — Banked Curve with Friction
Maximum cornering speed on a banked road with friction.
LaTeX (KaTeX)Physics — Satellites & Geostationary Orbits
Orbital speed, period and the geostationary radius.
LaTeX (KaTeX)Physics — Photoelectric Effect
Einstein's photoelectric equation and the stopping voltage.
LaTeX (KaTeX)Physics — Physical Pendulum
Period of a rigid-body pendulum about a pivot.
LaTeX (KaTeX)Physics — Atomic Energy Levels
Hydrogen energy levels and emission/absorption transitions.
LaTeX (KaTeX)Physics — Electric Field Configurations
Fields of a point charge, a charged plane and parallel plates.
LaTeX (KaTeX)Chemistry — Calorimetry & Enthalpy of Combustion
Heat released and molar enthalpy of combustion.
LaTeX (KaTeX)Chemistry — ICE Table Equilibrium
Setting up equilibrium concentrations with an ICE table.
LaTeX (KaTeX)Chemistry — Percent Composition
Mass percent of an element and formula mass.
LaTeX (KaTeX)Chemistry — Electronegativity & Bond Polarity
Using electronegativity difference to classify bonds.
LaTeX (KaTeX)Chemistry — Conjugate Acid–Base Network
Conjugate acid–base pairs linked by proton transfer.
Cytoscape (Network)Chemistry — Factors Affecting Rate
What speeds up a chemical reaction and why.
Graphviz (DOT)Chemistry — Le Chatelier Factors
How changes shift a system at equilibrium.
Graphviz (DOT)Chemistry — Preparing Salts
Choosing a method to prepare a salt.
Graphviz (DOT)Chemistry — Tests for Gases
Laboratory tests that identify common gases.
Graphviz (DOT)Chemistry — Phosphorus Pentachloride (3D, XYZ)
Trigonal-bipyramidal PCl5 — a five-coordinate geometry.
3D Molecules (3Dmol)Chemistry — Xenon Tetrafluoride (3D, XYZ)
Square-planar XeF4 — a noble-gas compound.
3D Molecules (3Dmol)Physics — Free-body: seesaw moments
An unbalanced seesaw illustrating the principle of moments.
Free-body diagramPhysics — Free-body: wheelbarrow (class-2 lever)
Load between the pivot and effort in a class-2 lever.
Free-body diagramChemistry — Types of Radiation
Comparing alpha, beta and gamma radiation.
Venn / EulerPhysics — Logic: XOR from basic gates
Building XOR from AND, OR and NOT gates.
Digital logic (gates / K-map / truth table)Physics — Hubble's Law & Cosmology
Cosmic expansion, the Hubble time and redshift.
LaTeX (KaTeX)Physics — Stellar Luminosity & Magnitude
Luminosity, the distance modulus and the mass–luminosity relation.
LaTeX (KaTeX)Physics — Black Holes & Relativity
Schwarzschild radius, mass–energy and gravitational time dilation.
LaTeX (KaTeX)Physics — Cosmological Parameters
Density parameter, critical density and the flatness condition.
LaTeX (KaTeX)Physics — Kepler's Laws
The three laws of planetary motion.
LaTeX (KaTeX)Physics — Relativistic Dynamics
Total energy, kinetic energy and relativistic momentum.
LaTeX (KaTeX)Physics — Viscous Flow
Reynolds number, Stokes' drag and Poiseuille flow.
LaTeX (KaTeX)Chemistry — Organic Mechanism Types
The major classes of organic reaction mechanism.
LaTeX (KaTeX)Chemistry — Addition to Alkenes
Markovnikov's rule and electrophilic addition.
LaTeX (KaTeX)Chemistry — Common Ion Effect
Solubility product and the common-ion suppression of solubility.
LaTeX (KaTeX)Chemistry — Redox Half-Equations
Writing and combining oxidation/reduction half-equations.
LaTeX (KaTeX)Chemistry — Types of Isomerism
Structural and stereo-isomerism.
Graphviz (DOT)Chemistry — Strong vs Weak Acids
Degree of ionisation distinguishes acid strength.
Graphviz (DOT)Chemistry — Extraction of Aluminium
Electrolytic extraction of aluminium from bauxite.
Graphviz (DOT)Chemistry — Collision Theory
Conditions for a successful reactive collision.
Graphviz (DOT)Chemistry — Methylamine (3D, XYZ)
The simplest primary amine.
3D Molecules (3Dmol)Chemistry — Hydronium Ion (3D, XYZ)
The H3O+ ion responsible for acidity.
3D Molecules (3Dmol)Physics — Torque & Equilibrium
Conditions for static equilibrium and the principle of moments.
LaTeX (KaTeX)Physics — Kinetic Theory of Gas Pressure
Pressure from molecular motion and the link to temperature.
LaTeX (KaTeX)Physics — Damped & Forced Oscillations
The damped-oscillator equation, its solution and Q-factor.
LaTeX (KaTeX)Physics — Heat Engines & Refrigerators
Engine efficiency, the Carnot limit and the coefficient of performance.
LaTeX (KaTeX)Physics — Electric Potential Energy
Potential energy of charges, work and capacitor energy.
LaTeX (KaTeX)