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1. Draw out the lewis structure of CCl4 by counting the number of valence electrons on each atom. C=4, Cl=7 therefore total valence electrons is 4+(7x4)=32 and total valence electron pairs is 16. 2. De...

My A Level English Literature exam was three hours long, consisting of three 25 mark essays. This means that you should spend about an hour on each. Generally the essay should consist of an introduction, ...

Firstly, all waves transfer energy without transferring matter (particles). 

Waves usually consist of particles vibrating in a particular direction, but not necessarily in the same direction as the...

Firstly, particles can be split up into to main categories: hadrons and leptons.

Hadrons interact with the strong force and are made of quarks. Leptons don't interact with the strong force and are ...

(3*4)(4x+9)^(3-1)

Where 4 is the derivative of inside the brackets and 3 is the power of the brackets.

Therefore the answer is 12(4x+9)^2