reducing your carbon footprint Although this is aimed at students of the IB diploma - it is relevant to all .... Enter your text here ...
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Universal indicator is useful for giving an estimated value for the pH of a substance
Background This topic is mostly about equilibria so it is important for students to understand that concept first. Before tackling this topic ma...
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Universal indicator is useful for giving an estimated value for the pH of a substance
Background ​You should already know that: • some substances are acidic • the opposite of acidic is alkaline • acids and alkalis can be harm...
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Bee stings contain formic acid
Carboxylic acids can occur naturally : When alcohols are oxidised they can produce a type of acid known as a carboxylic acid. one example ...
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Thermoplastic Polymers ( plastics) are used to make a huge range of everyday objects
Many organic molecules can be made to join up with one another to form very long molecules which can be thousands of atoms long. This makes ...
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Accounting for electrons. The images in this slideshow here show how we can account for the way in which electrons are shared between atoms. ...
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The Bast furnace enables us to extract pure iron from iron oxide
Modern methods Activity 1 : Phytomining and Bioleaching Watch the video carefully, stopping where necessary to answer the questions b...
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Particle theory explains why the smell of cooking in the kitchen can quickly be smelt by people in other rooms.
1.3 Activity 4. A particular problem Students should: 1.3 understand how the results of experiments involving the dilution of coloured sol...
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Solid, liquid or gas?
1.1 Introducing the states Matter can exist in one of three fundamental states: Solid, Liquid or Gas Here we consider the way in which these thr...
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1.4 Activity 5 : Defining diffusion, diluting and dissolving Gases can diffuse into each other . This is because the particles in a gas are in a...
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