Top answers

Why does iodine have a higher boiling point than chlorine?

Neither iodine or chlorine have permanent dipoles because there is no difference in electronegativity between the atoms, so there are no permanent dipole : permanent dipole interactions. There are also no hy...
EE
Answered by Ellie E. • Chemistry tutor
11264 Views

A curve has the equation y=3x^2-2x+7, find the gradient of the line at the point (6,3)

dy/dx = 34
BC
Answered by Ben C. • Maths tutor
5723 Views

What should I do if I get an exam question which I don't have any quotes for?

Firstly, it is important to try to reduce the risk of this happening beforehand by learning as many quotations as possible. A good way to look at it is that no quote you learn will be unhelpful, and every qu...
FM
5905 Views

How do I prove (x-2) is a factor of the function f(x) = x^2-4x+4?

First equate the factor to equal 0 then solve:x -2= 0;x = 2; now plug the number 2 into all the X values: (2)^2-4(2) + 4 = 8-8 = 0
LC
Answered by Luke C. • Maths tutor
3989 Views

How is a specific protein formed from DNA?

You need to have some basic knowledge of nucleotide structure before trying to understand the answer below. First of all, DNA contains thousands of genes. Each gene codes for specific proteins (The ‘code’ me...
CC
Answered by Cheri C. • Biology tutor
2991 Views