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Chemistry & Physics diagram templates
Energy diagrams, circuits, free-body, optics, reaction networks.
Physics — Fluid Mechanics
Hydrostatic pressure, continuity, Bernoulli and buoyancy.
LaTeX (KaTeX)Chemistry — Chemical Equilibrium
Equilibrium constants, reaction quotient and the van 't Hoff link.
LaTeX (KaTeX)Chemistry — Reaction Kinetics
Rate law, Arrhenius equation, first-order integrated rate and half-life.
LaTeX (KaTeX)Chemistry — Thermochemistry
Enthalpy of reaction, Gibbs free energy, calorimetry and equilibrium.
LaTeX (KaTeX)Chemistry — Acids, Bases & pH
pH, water ionic product, conjugate relation and Henderson–Hasselbalch.
LaTeX (KaTeX)Chemistry — Electrochemistry
Cell potential, Nernst equation, free energy and Faraday's law.
LaTeX (KaTeX)Chemistry — Gas Laws
Ideal gas law, combined law, van der Waals and Dalton's law.
LaTeX (KaTeX)Chemistry — Solutions & Concentration
Molarity, dilution and colligative properties.
LaTeX (KaTeX)Chemistry — Spectroscopy (Beer–Lambert)
Absorbance, transmittance and photon energy.
LaTeX (KaTeX)Chemistry — Atomic Structure (Bohr / Rydberg)
Hydrogen energy levels, Rydberg formula and Bohr radius.
LaTeX (KaTeX)Chemistry — Methane (3D, XYZ)
Tetrahedral CH₄ as 3D ball-and-stick. Drag to rotate.
3D Molecules (3Dmol)Chemistry — Ammonia (3D, XYZ)
Trigonal-pyramidal NH₃ with its lone pair geometry.
3D Molecules (3Dmol)Chemistry — Carbon Dioxide (3D, XYZ)
Linear CO₂ with two double bonds.
3D Molecules (3Dmol)Chemistry — Methanol (3D, XYZ)
The simplest alcohol in three dimensions.
3D Molecules (3Dmol)Chemistry — Ethene (3D, XYZ)
Planar C₂H₄ showing the C=C double bond.
3D Molecules (3Dmol)Physics — Free-body: car on a banked curve
Normal force, weight and friction for circular motion on a bank.
Free-body diagramPhysics — Free-body: ladder against a wall
Statics of a leaning ladder with floor and wall reactions.
Free-body diagramPhysics — Free-body: hanging sign (two cables)
Equilibrium of a sign suspended by two symmetric cables.
Free-body diagramPhysics — Free-body: connected blocks over a pulley
Coupled block-on-table / hanging-mass system with tension and friction.
Free-body diagramChemistry — Periodic Table Blocks
The s, p, d and f blocks and the elements they contain.
Graphviz (DOT)Physics — Circuit: RL series
Resistor and inductor in series across a DC source.
Circuit schematicPhysics — Circuit: series RLC
A resonant series R-L-C loop driven by a source.
Circuit schematicPhysics — Circuit: Wheatstone bridge
Four-resistor bridge with a galvanometer branch.
Circuit schematicPhysics — Logic: full adder
One-bit full adder built from two XOR, two AND and one OR gate.
Digital logic (gates / K-map / truth table)Physics — Logic: 2-to-1 multiplexer
Select line steers one of two inputs to the output.
Digital logic (gates / K-map / truth table)Physics — Logic: 1-bit equality (XNOR)
An XNOR gate as a single-bit comparator (A = B).
Digital logic (gates / K-map / truth table)Physics — Projectile Motion
Range, height and trajectory for projectile launched at an angle.
LaTeX (KaTeX)Physics — Rotational Kinematics
Angular analogues of the SUVAT equations.
LaTeX (KaTeX)Physics — Elasticity & Hooke's Law
Spring force, stress, strain, Young's modulus and elastic energy.
LaTeX (KaTeX)Physics — Capacitance
Capacitance, parallel-plate formula, stored energy, combinations.
LaTeX (KaTeX)Physics — AC Circuits & Resonance
Reactance, impedance and the resonant frequency of an LC circuit.
LaTeX (KaTeX)Physics — Thermal Radiation
Wien's law, Stefan–Boltzmann and the Planck radiation law.
LaTeX (KaTeX)Physics — Heat & Calorimetry
Specific & latent heat, conduction and thermal expansion.
LaTeX (KaTeX)Physics — Orbital Mechanics
Circular orbital speed, escape velocity, period and total energy.
LaTeX (KaTeX)Physics — Measurement & Uncertainty
Mean, error propagation and the standard error of the mean.
LaTeX (KaTeX)Physics — Centre of Mass & Collisions
Centre of mass, momentum conservation and coefficient of restitution.
LaTeX (KaTeX)Physics — Matter Waves & Bohr Quantisation
de Broglie wavelength and quantised angular momentum.
LaTeX (KaTeX)Chemistry — Mole Calculations
The four routes to amount of substance.
LaTeX (KaTeX)Chemistry — Solubility Product
Ksp expression, solubility relations and the precipitation test.
LaTeX (KaTeX)Chemistry — Integrated Rate Laws
Zero-, first- and second-order integrated rate equations.
LaTeX (KaTeX)Chemistry — Effusion (Graham's Law)
Rate of effusion, mean kinetic energy and rms molecular speed.
LaTeX (KaTeX)Chemistry — Quantum Numbers
The four quantum numbers and their allowed values.
LaTeX (KaTeX)Chemistry — Bond Enthalpy & Hess
Reaction enthalpy from bond energies, formation enthalpies and Hess's law.
LaTeX (KaTeX)Chemistry — pOH & Ionic Equilibria
pOH, the pH/pOH relation and the acid dissociation constant.
LaTeX (KaTeX)Chemistry — Electrolysis (Faraday)
Charge, moles of electrons and mass deposited at an electrode.
LaTeX (KaTeX)Chemistry — Ethanol (3D, XYZ)
Ethanol as 3D ball-and-stick. Drag to rotate, wheel to zoom.
3D Molecules (3Dmol)Chemistry — Changes of State
Phase transitions between solid, liquid and gas.
Graphviz (DOT)Chemistry — Reaction Types
A map of the major classes of chemical reaction.
Graphviz (DOT)Chemistry — Organic Reaction Map
Interconversions between common organic functional groups.
Graphviz (DOT)Chemistry — Acids, Bases & pH
How the pH scale maps to acidic, neutral and basic solutions.
Graphviz (DOT)Chemistry — Types of Bonding
Ionic, covalent and metallic bonding and their carriers.
Graphviz (DOT)Physics — Free-body: block sliding down an incline
Weight components, normal force and kinetic friction on a slope.
Free-body diagramPhysics — Free-body: conical pendulum
Tension and weight providing horizontal centripetal force.
Free-body diagramPhysics — Free-body: accelerating car
Driving force, drag, weight and road normal on a car.
Free-body diagramChemistry — Elements, Compounds & Mixtures
Classifying matter by composition.
Venn / EulerChemistry — Bonding Properties
Shared and distinct properties of ionic, covalent and metallic bonding.
Venn / EulerPhysics — Circuit: parallel resistors
Two resistors in parallel across a battery.
Circuit schematicPhysics — Circuit: transistor switch
An NPN transistor switching an LED via a base resistor.
Circuit schematicPhysics — Circuit: half-wave rectifier
A diode passing only one half-cycle to a load.
Circuit schematicPhysics — Logic: AND / OR / NOT
The three fundamental logic gates side by side.
Digital logic (gates / K-map / truth table)Physics — Logic: 4-to-1 multiplexer (core)
Four AND gates feeding an OR — the heart of a 4:1 mux.
Digital logic (gates / K-map / truth table)Physics — Interference & Double Slit
Path difference, two-slit maxima and fringe spacing.
LaTeX (KaTeX)Physics — Standing Waves & Harmonics
Harmonic frequencies on strings and in open/closed pipes.
LaTeX (KaTeX)Physics — Resistivity & Conduction
Resistivity, its temperature dependence and current density.
LaTeX (KaTeX)Physics — EMF & Internal Resistance
EMF, terminal voltage and power delivery.
LaTeX (KaTeX)Physics — Transformers
Turns ratio, current relation and ideal-transformer power.
LaTeX (KaTeX)Physics — Nuclear Binding Energy
Mass defect, binding energy and reaction Q-value.
LaTeX (KaTeX)Physics — Lens Power & Lensmaker
Lens power, combinations and the lensmaker's equation.
LaTeX (KaTeX)Physics — Diffraction & Resolution
Grating equation, Rayleigh criterion and resolving power.
LaTeX (KaTeX)Physics — Pressure & Hydraulics
Pressure, Pascal's principle, hydrostatic pressure and buoyancy.
LaTeX (KaTeX)Chemistry — Yield & Atom Economy
Percentage yield, atom economy and theoretical mass.
LaTeX (KaTeX)Chemistry — Titration
Mole relations at the equivalence point.
LaTeX (KaTeX)Chemistry — Empirical & Molecular Formula
From mass percent to empirical and molecular formula.
LaTeX (KaTeX)Chemistry — Reaction Quotient & Le Chatelier
How Q vs K predicts the direction of shift.
LaTeX (KaTeX)Chemistry — Temperature Dependence of K
The van 't Hoff equation linking K to temperature.
LaTeX (KaTeX)Chemistry — Colligative Properties
Boiling-point elevation, freezing-point depression, osmotic pressure, Raoult.
LaTeX (KaTeX)Chemistry — Buffers
Henderson–Hasselbalch in acid and base forms; buffer range.
LaTeX (KaTeX)Chemistry — The Haber Process
Industrial ammonia synthesis with its conditions.
Graphviz (DOT)Chemistry — The Contact Process
Industrial manufacture of sulfuric acid.
Graphviz (DOT)Chemistry — Fractional Distillation of Crude Oil
Fractions separated by boiling point up the column.
Graphviz (DOT)Chemistry — Metal Extraction vs Reactivity
Extraction method follows position in the reactivity series.
Graphviz (DOT)Chemistry — Electrolysis Products
Where ions go during electrolysis of a molten/aqueous salt.
Graphviz (DOT)Chemistry — Periodic Trends
How key properties vary across periods and down groups.
Graphviz (DOT)Chemistry — Water Treatment
Stages of making water potable.
Graphviz (DOT)Chemistry — Hydrogen (3D, XYZ)
The H2 molecule — the simplest covalent bond.
3D Molecules (3Dmol)Chemistry — Acetylene (3D, XYZ)
Linear C2H2 showing the carbon–carbon triple bond.
3D Molecules (3Dmol)Chemistry — Formaldehyde (3D, XYZ)
The simplest aldehyde, trigonal planar around carbon.
3D Molecules (3Dmol)Physics — Free-body: lever (moments)
A lever balanced about a pivot — principle of moments.
Free-body diagramPhysics — Free-body: crane jib
A loaded crane jib with cable tension and pivot reaction.
Free-body diagramPhysics — Free-body: incline + hanging mass
A block on an incline connected over a pulley to a hanging mass.
Free-body diagramChemistry — Metals, Non-metals & Metalloids
Element classification by physical/chemical character.
Venn / EulerChemistry — Acids, Bases & Salts
Defining features of acids, bases and the salts they form.
Venn / EulerPhysics — Circuit: full-wave bridge rectifier
Four diodes rectifying both halves of an AC cycle.
Circuit schematicPhysics — Circuit: RC integrator
Series resistor with a capacitor to ground — an RC integrator.
Circuit schematicPhysics — Logic: SR latch (NOR)
Cross-coupled NOR gates forming a set-reset latch.
Digital logic (gates / K-map / truth table)Physics — Logic: 2-to-4 decoder (core)
Two inputs and an inverter pair feeding four AND outputs.
Digital logic (gates / K-map / truth table)Physics — Moments of Inertia
Definition and standard moments of inertia for common bodies.
LaTeX (KaTeX)Physics — Thermodynamic Processes
Isothermal, adiabatic and isobaric relations plus isothermal work.
LaTeX (KaTeX)Physics — RC Charging & Discharging
Capacitor charge/discharge and the RC time constant.
LaTeX (KaTeX)Physics — Sound Intensity & Level
Intensity, the decibel scale and the inverse-square law.
LaTeX (KaTeX)