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What are the different forms of elemental carbon?

Carbon can be found in different forms, with different structures and bonding. Graphite is a structure in which each carbon atom is bonded to three other carbon atoms, to form a sheet of hexagons. There is o...
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Answered by Eleanor M. Chemistry tutor
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What's the difference between an aldehyde and a ketone?

Both aldehydes and ketones contain a double bond between carbon and oxygen . Aldehydes have the double bond at the end of the molecule. That means the carbon at the end of the chain has a double bond to an o...
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Answered by Eleanor M. Chemistry tutor
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What are polymers and why are they useful?

Polymers are large molecules made from lots of repeating units called monomers. Plastic bags, waterproof coatings on clothes and wound dressings can all be made from polymers!
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Answered by Eleanor M. Chemistry tutor
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What is the difference between an alkene and an alkane?

Both alkanes and alkenes are hydrocarbons, which means they only contain carbon and hydrogen atoms. Alkanes are saturated hydrocarbons, which means each carbon atom is bonded to four other atoms and there ar...
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Answered by Eleanor M. Chemistry tutor
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How is trigonometry used on non-right angled triangles?

To do this, there are two rules, the Sine Rule and The Cosine Rule. The sine rule is a/Sin A = b/Sin B = c/Sin C. (the lower and uppercase are very important. The rule also stands if you write the entire thi...
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Answered by Bobbie C. Maths tutor
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