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How is crude oil separated?

Crude oil is separated by fractional distillation. The mixture of components is put in the distillation tube and heated. The different liquids start to evaporate and move up the fraction Column. The compo...

Answered by Lydia W. Chemistry tutor
2871 Views

Write a program that computes the sum of all numbers up to a input number n

There are multiple approaches we can take to this: we could for instance use iteration in a loop or even use a recursive function. But since we want an arbitrary input n we probably should make sure that ...

Answered by Larbi E. Python tutor
1057 Views

The equation of a curve is y = ax^2 + 3x + c where a and b are integers. The curve has a minimum point at (1,1), find a and c

We start by trying to find out the values of a and c using the information about the minimum point. We know we can rearrange the right hand side by completing the square: y = a(x^2 + 3x)+cy = a(x+3/2a)^2+...

Answered by Larbi E. Maths tutor
2416 Views

Find the derivative of yx+5y-sin(y) = x

When differentiating an expression of x and y we can use implicit differentiation when terms contain the y variable, recall that this is essentially differentiating the y term by y and then multiplying by...

Answered by Larbi E. Maths tutor
2679 Views

How is the resting membrane potential established in a neurone?

The membrane of an axon consists of three main protein channels: the sodium/potassium pumps, voltage-gated sodium channels and voltage-gated potassium channels. These play a role in establishing the membr...

Answered by Umraj R. Biology tutor
3549 Views

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