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What is the best way to prepare for the UKCAT

Do lots of practise questions, and run through the full test papers that they give, and time yourself. Exam technique is important, make sure you keep an eye on the time, and make sure you answer as many ...

Answered by Samuel H. • UCAT tutor

1830 Views

Increaseing the pressure of a system will have what effect on the equilibrium of this reversable reaction 3H2 + N2 <---> 2NH3

Increaseing the pressure will cause the equilibrium to move to the right of the reaction, producing more products than reactants. This is because there is fewer gasseous moles on the right (2 moles) than ...

Answered by Samuel H. • Chemistry tutor

2790 Views

What 2 observations can be made when lithium reacts with water, and why?

There is fizzing, because the reaction of any alkali metal with water will produce hydrogen, this gas escapes as fizzing The metal will become smaller and dissapear, because as the reaction continues, the...

Answered by Samuel H. • Chemistry tutor

18265 Views

Find the area bounded by the curve x^3-3x^2+2x and the x-axis between x=0 and x=1.

To find the area under a curve that is bounded by the x-axis you simply need to integrate the equation of the curve between the limits, so for this equation we will integrate y=x³-3x²

Answered by Jack T. • Maths tutor

13330 Views

Differentiate ln(x^3 +2) with respect to x

The differential of ln(x) is x^-1 or 1/x. Because we have x^3 + 2 inside the bracket we have to differentiate this term also and multiply this with the other term. For example, d/dx of x^3 +2 is equal to ...

Answered by George L. • Maths tutor

3813 Views