Search our library of homework questions

Top answers

All subjects

All levels

What is a mole and why is it useful?

The number of moles is related to the amount of a substance we have. If we were to use the number of particles, the numbers would be huge and impractical to use. So, Avagadro's number provides us a link w...

Answered by Michael L. • Chemistry tutor

3443 Views

How can I showcase my passion for a subject I am applying to study?

The important thing to do when starting a personal statement is to have a good think about why you are applying for the subject instead of all the other courses available. Write down all the characteristi...

Answered by Katrina M. • Personal Statements tutor

5795 Views

Rearrange the following to make C the subject (3c+B)/2=C+A

to work this out you need to make the equation equal to C so it will look like C=A+B or something similar. to achieve this you need to change the equation so that C only appears on one side. you would nee...

Answered by Oran R. • Maths tutor

5169 Views

The equation of a curve is x(y^2)=x^2 +1 . Using the differential, find the coordinates of the stationary point of the curve.

Firstly we need to use product rule to find the dy/dx of the left hand side (LHS). Using implicit differentiation, we know the differential of y^2 is 2y(dy/dx). Then use to product rule to obtain the dy/d...

Answered by Grace C. • Maths tutor

6357 Views