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Brown cane sugar granules in a metal bowl on a white isolated background
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Alchemy Alphabet ACID (Acidum) VINEGAR (Acetum) MEOF vyn egre sour wine Latin vinum (wine) acer (sour); eq (Greek) (in Ukra
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Alchemy DISSOLVE (Dissolution) Photo by ZoonarAleksander Ni
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Electroplating using copper illustration Electrolysis is used to electroplate objects A metal object such as a key is connected to the negative ter
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Reaction of king water and gold immediately after adding gold leaf 59
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Zinc reacting with a strong acid The reaction is vigorous shown by the bubbles of hydrogen gas being generated Strong acids such as hydrochloric a
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US Geological Survey (USGS) scientists collected environmental data and samples in coastal areas affected by the 2010 Deepwater Horizon oil spill in
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Electroplating Rack of objects above an electro- plating tank Electroplating is a process which uses electrochemical reactions (electrolysis) to put
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Electroplating Worker watches a rack of objects above an electroplating tank Electroplating is a process which uses electro- chemical reactions to
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Vanadium oxidation states Test tubes containing solutions of dissolved vanadium (V) compounds in different oxidation states An oxidation state is th
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Zinc reaction with strong and weak acid
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Magnesium reacting with acid
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Polysilazane Coloured scanning electron microscope (SEM) of an aluminium surface coated with polysilazane Polysilazane is an inorganic polymer that
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Crown ether Wire-frame molecular graphic of part of the cyclic ether 18-crown-6 (molecular formula C12 H24 O6) The colour-coding of the surface re
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Section through case-hardened steel
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Magnesium reacting with water
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Transition metal compound solutions The volumetric flasks contain dissolved transition metal compounds which tend to have coloured ions
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Transition metal compound solutions The volumetric flasks contain dissolved transition metal compounds The transition metals are found in the middle
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Reaction rates Two test tubes showing the change in the reaction rate of zinc with a strong (left) and weak (right) acid A stronger acid is one that
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Artificial cartilage Gloved hand holding discs of artificial cartilage on a metal wire The cartilage may be used to replace the worn coverings of jo
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Salt solution on scales image 3 of 3 The scales also known as a top pan balance show that the salt solution in the beaker has a mass of 105 grams
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Illustration of the process of dissociation of table salt (sodium chloride) in water
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Jean Baptiste van Helmont (1579-1644) Belgian doctor and chemist Van Helmonts work was part of the transition from alchemy to experimental chemistr
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Jan van Helmont Engraving of Jan (or Johannes) Baptista van Helmont (1579-1644) Belgian chemist and alchemist Van Helmonts work represents a trans
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