Top answers

What is the difference between HDPE and LDPE polymers?

Both are types of plastics but they vary by density and structure.HDPE (high density polyethene) is made of many linear chains which are held together by intermolecular forces.LDPE (low density polyethene) i...
MS
Answered by Margo S. • Chemistry tutor
9795 Views

Comment avez-vous passé le week-end dèrnier?

This is an exemplar answer for GCSE standard French. Using the range of the grammatical devices employed here would guarantee an extremely high mark in an oral or written exam: Le week-end dernier, je n'avai...
JH
Answered by Jake H. • French tutor
6935 Views

Work out 1 1/5 ÷ 3/4. Give your answer as a mixed number in its simplest form.

Because we have been given a mixed number, we can start by turning it into an improper fractions. An improper fraction is where the numerator is bigger than the denominator. To turn 1 and 1/5 into an imprope...
GH
Answered by Georgia H. • Maths tutor
35497 Views

How do you find the intersection of a straight line and a curve?

Question : You have been given the following straight line equation --> y = 2x + 3 and the equation for a curve --> y = x 2 + 3x + 1. At the point(s) where these lines intersect we know that the coordi...
MO
Answered by Manon O. • Maths tutor
5699 Views

Describe the process of gas exchange between the lung's alveoli and capillary network.

Once the oxygen in the blood has been used by the tissues, oxygen deplete blood is carried to the lungs. This comes into close contact with the oxygen rich environment of the alveoli, and diffusion occurs be...
WG
Answered by William G. • Biology tutor
3593 Views