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Methane is a Hydrocarbon. Show the structural formula for Methane and Explain why it is a hydrocarbon?

show CH 4 with C in the centre and 4 H atoms with bonds to it at 90 o to each other. A hydrocarbon is a molecule that contains only hydrogen and carbon atoms.
SR
Answered by Stephen R. • Chemistry tutor
5045 Views

Prove Pythagoras' Theorem

Never in a GCSE syllabus, but still a question I had as a student and one I hear today- something, I feel, is worth going over (Similar in a sense to proving that completing the square works). We use the &qu...
SC
Answered by Sam C. • Maths tutor
3603 Views

Find the point(s) of intersection of the curve y=x^2+7x+14 and y=2x+8:

Equate the two graphs:x 2 +7x+14=2x+8Rearrange to find a single quadratic:x 2 +5x+6=0Factorize and solve:(x+2)(x+3)x=-2 x=-3Sub x values into one of the original graphs to find y:(-2,4) (-3,2) I can also pro...
DM
Answered by Daniel M. • Maths tutor
4024 Views

Describe how the sperm cell is adapted to its function.

The sperm cell is adapted to its function in multiple ways:It has a tail which enables it to swim towards the egg.The middle section of the cell is packed with mitochondria. This allows it to release the ene...
HH
Answered by Huw H. • Biology tutor
36588 Views

What's the quadratic formula used for?

Firstly, it's important to understand what the formula is. It is essentially a re-arrangement of a quadratic equation, however the formula can be learnt so that it can be applied quickly within an exam conte...
JH
Answered by James H. • Maths tutor
4270 Views