Top answers

All subjects
A Level

Is Walter Scott a nostalgic author? What is the point of the past in his work?

Scott uses the past to stage the present changes in Scottish national identity in the late eighteenth and early nineteenth centuries, brought about originally by the Union of 1707. In The Hea...

TD
2034 Views

How do i solve two linear simultaneous equations 2x+y=7 & 3x-y=8 ?

To start with, try and spot whether or not two of the coeffecients (numbers next to the letters) are the same for either question (i.e. could be a 3x in one equation and a 3x in the other). This also work...

TB
Answered by Tom B. Maths tutor
4188 Views

Briefly discuss Le Chatelier's Principle. Ammonia is made in the Haber Process (3H2(g) + N2(g)<-> 2NH3(g)). Using Le Chetelier's Principal, what happens to the equilibrium yield of ammonia when...: A) Temp increases, B) Press increases C) Catalyst changes

Le Chetelier's Principal gives us a guide to work out what will happen when we change the conditons of a reaction in dynamic equilibrium. It states that if the dynamic equilibiurm is disturbed, the equili...

JC
Answered by James C. Chemistry tutor
12955 Views

Write down the equation for the Gibbs Free Energy change of a reaction. Hence explain why, for a spontaneous endothermic reaction, there must be an increase in the total entropy.

Gibbs Free Energy change: (delta)G = (delta)H - T(delta)S For a spontaneous chemical reaction, (delta)G must be negative. An endothermic reaction has a positive (delta)H value therefore, in order for the ...

JC
Answered by James C. Chemistry tutor
3961 Views

How do I structure an English literature essay at A-Level?

Structure is integral to achieving the top marks, and can make all the difference between writing a good essay and writing a great essay. At A-Level you have probably learnt to structure your essay into t...

IB
55428 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning