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What is a mole and why is it useful?

Molecules are very small, much smaller than we can see with our eyes. For this reason, we can’t simply just count the number of molecules in a sample by looking at it. Even if we could, there are so many mol...
WM
Answered by William M. Chemistry tutor
9268 Views

How should you structure an A-level English Literature essay?

One way in which you could structure an essay would be with a diamond structure. This is when your answer begins with your point (your argument- clearly established at the beginning of the essay) progresses ...
CS
18016 Views

How do I write a good introduction and conclusion?

A conclusion should not be a repetition of your introduction. In your introduction you should analyse the key words of the question and establish the points you will discuss in depth in your essay. You shoul...
CS
33387 Views

Given that y = x^4 + x^(1/3) + 3, find dy/dx

We use the rule that if y = x^n then dy/dx = n*x^(n-1) which is valid whether or not n is an integer. We also use that differentiation is a linear operation, which means that we can differentiate term by ter...
KS
Answered by Karan S. Maths tutor
15599 Views

What are Porter's 5 forces and how they help the business?

Power of supplier- How high the supplier's ability is to increase prices, which is determined by how many other companies they supply, as well as the uniqueness of the product. If there are fewer suppliers, ...
NH
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