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What is an enzyme?

An enzyme is a protein catalyst . A catalyst is a substance which alters the rate of a chemical reaction. (So it can speed up a chemical reaction). The key thing about an enzyme is that it is not itself chan...
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Answered by Lauren D. • Biology tutor
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What is Translation, and how do I approach it?

What is Translation? Translation, or Uebersetzung , is quite simply the art of rewriting a source text (ie, an original piece of writing in one language) into a piece of text that can be read in the target l...
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Answered by Oliver B. • German tutor
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Why bother with learning calculus?

Calculus is the maths of change. This sounds familiar; In mechanics changing distances, velocities etc... In motor sport Integration would be the sum of momentum over time to find the kinetic energy. This co...
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Answered by Harpreet T. • Maths tutor
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What's the point of Maths?

Every subject has a paticular career path. Maths is an exception which is at the forfront of most things. Anytime you saw data, results, surveys, polls, predictions, forecasts, returns & any others that ...
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Answered by Harpreet T. • Maths tutor
5416 Views

Without a catalyst, an alkene will react with bromine while benzene will not. Why is this?

The pi-bonds in benzene are delocalised over the entire ring, while in an alkene the pi-bonds are only delocalised over two carbon atoms. This means that benzene has a lower charge denisity than an alkene so...
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Answered by Jack T. • Chemistry tutor
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