Top answers

Why does a higher temperature means the rate of reaction is faster?

As you increase the temperature of a system, the particles gain more kinetic energy and move about more. This means that particles are likely to collide more frequently. These collisions are also likely to h...
DP
Answered by Daidria P. • Chemistry tutor
3071 Views

How do I find the stationary points of a curve?

To find the stationary points of a curve y, you should first find the differential of the curve(dy/dx).Once you have an equation for dy/dx, you should solve it for when dy/dx is equal to zero. This gives you...
DP
Answered by Daidria P. • Maths tutor
4205 Views

How do I know wether to use the sine or cosine rule?

You use the cosine rule when you have been given the length of two sides and an inclusive angle (the angle in between those two lines) or if you have been given the length of three sides.You use the sine rul...
DP
Answered by Daidria P. • Maths tutor
9589 Views

I have been told I need to sit the UKCAT exam, what is this test?

The UKCAT is a two-hour computer-based test which assess a range of mental abilities identified by university medical and dental schools as important. It consists of five separately timed subtests which each...
BS
1575 Views

Using Vieta's formula find the sum of squared solutions for x^2+x=30

SOLUTION
AM
Answered by Adam M. • Polish tutor
1351 Views