Top answers

What is a curly arrow?

A curly arrow is an arrow that shows the movement of electrons in organic chemistry. If the arrow is a full headed then it shows the movement of two electrons in normal chemical reactions. If it is a half he...
JT
Answered by Jonny T. • Chemistry tutor
11957 Views

What is Entropy?

Entropy At a Basic Level Entropy, whilst a mathematical concept can be described as a measure of disorder. The more disordered, then the greater the entropy. Correspondingly, a perfect crystal at 0K (absolut...
PC
Answered by Peter C. • Chemistry tutor
7170 Views

What is a dynamic equilibrium?

Consider the reversible reaction: A + B to C + D Let’s say you start with only the reactants A and B, at first they will react together to from some of C and D. This is called the forward reaction. As the fo...
RC
Answered by Rory C. • Chemistry tutor
6187 Views

How do I start writing an essay?

With any English essay you must start by reading the text at least twice and then go through it a third or fourth time, highlighting important passages, phrases or words and making notes. What you write here...
RH
3907 Views

How do I structure my answer?

In English, the best way to gain marks is to use the P.E.E.L method. This stands for point, evidence, explanation, link. Start off by making your original point by picking out a literary technique found in t...
JR
3337 Views