Chemistry Collection (page 2)

Molecular model of Ammonia, digital illustration

Carbon atom, digital illustration

Diagram showing light hitting a concave mirror

Diagram showing light hitting a convex mirror

Sound wave created by a percussion instrument, digital illustration

Tidal power generator, cross section

Sewage treatment plant in countryside

Illustration of macromolecule of sodium chloride (salt)

Illustration of mass spectrometry, an analytical technique identifying molecular mass of sample of charged particles

Illustration of copper electrode, as cathode electrons arrive from zinc anode via external circuit, they reduce hydrogen ions from acid, forming hydrogen gas molecules

Illustration of process of chemical reaction

Illustration of zinc atoms in electrode dissolving in acid, losing electrons to form cations

Illustration of copper ion reduced to copper atoms by electrons on battery, on surface of brass key cathode

Illustration of Downs Process, showing the industrial-scale extraction of sodium metal achieved by electrolysis of molten sodium chloride

Illustration of neutral pH (pure water), a measure of acidity in chemistry

Illustration of the Haber Process showing reaction of nitrogen and hydrogen to form ammonia

Illustration of catalysis with reactants approaching surface with one of the reactants being a diatomic molecule

Illustration of gas chromatography

Illustration showing relative atomic mass of nucleus of boron-11 containing five protons and six neutrons

Illustration of copper pipe anode, showing how positive terminal on battery draws electrons from anode oxidising copper atoms to copper cations

Illustration of a alkaline solution

Three dimensional digital illustration of molecular structure of Ozone

Black and white digital illustration of corrosive liquid dripping onto hand and destroying skin

Digital illustration of showing shape and volume of solid gas, and liquid gas taking shape of conica

Digital illustration of blue chemistry flask

Experiments exploring the behaviour of gases when heated, illustrating Boyles Law, Charless Law, G

Illustration of Daniell cell, electrochemical cell consisting of copper and zinc plates immersed in

Illustration of electron transfer from sodium atom to chlorine atom, transformation from sodium ion

Illustration of particles in atmosphere

Illustration of water molcules

Illustration of chemical liquid reacting in flask

Illustration of atoms

Illustration of Hydrogen symbol

Digital illustration of blue atom on white background

Digital illustration of atoms in aluminium molecule

Digital illustration showing how electrochemistry works

Illustration of hydrogen and nitrogen cylinders

Children, young researchers

Girl and boy playfully doing chemistry experiments

Symbolic image depicting knowledge, blue head with various written tables mathematical formulas, chemical formulas, excerpts from Platos Allegory of the Cave etc

Sugar crystal, ordinary table sugar dissolves in cherry juice, photomicrography

Blue liquid inside glass beaker
Detail photograph of a blue oily liquid inside a glass beaker. Photographed against a white background

Doctor holding buretts in studio, (B&W), portrait

Chemist holding test tube in studio, (B&W), portrait

Historical scales, wood engravings, published in 1880
Historical scales from the 19th century (from top left to bottom right): Spring balance, Decimal balance, Steelyard, Chemical balance, Beam balance. Wood engravings, published in 1880

Robert Bunsen (1811-1899), wood engraving, published in 1880
Robert Wilhelm Eberhard Bunsen (1811 - 1899), German chemist. He developed together with Gustav Kirchhoff the spectral analysis by means of which chemical elements can be detected with high

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