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Describe how crude oil is separated by fractional distillation.

Crude oil is composed of hydrocarbons of different lengths. In a fractional distillation chamber, the crude oil is heated and cooled to different temperatures. The shorter chain hydrocarbons will boil at ...

SP
Answered by Sophie P. Chemistry tutor
12470 Views

What is an Oxbridge interviewer looking for?

2 main things:

Intellect – your intelligence: This includes showing that you are able to think on your feet, able to logically and clearly articulate a view point ...

MH
1674 Views

Can you solve 18-7x < 12-3x ?

In order to solve this formula, you would need to collect similar terms to the same side and then simplify to work out the value of 'x'. We can do this by collecting all the 'x' terms to one side first, t...

BF
Answered by Blessing F. Maths tutor
3635 Views

Find the equation of a straight line that passes through the coordinates (12,-10) and (5,4). Leaving your answer in the form y = mx + c

Finding the gradient (m): The gradient is the change in y-axis over the change in x-axis Δy = -10-4= -14        Δx = 12-5=7 Δy/Δx = -14/7 = -2 Ac...

MM
Answered by Martin M. Maths tutor
8481 Views

Draw the Hb disocciation curve. Why is it that shape? How is it different in the foetus?

1) Draw and label the axes! x= O2 partial pressure; y= % saturation/occupancy 2) Sigmoid curve (plateau at 100%) 3) Describe the curve, i.e. r...

GB
1685 Views

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