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What is Gibbs Free Energy?

Gibbs free energy allows you to link together the two factors entropy and enthalpy, these factors together determine if a chemical reaction is spontaneous or not. For a reaction to be spontaneous then the ch...
HS
Answered by Helen S. • Chemistry tutor
8926 Views

What is the difference between external and internal economies of scale?

Internal economies of scale relate to the firm itself (and only that firm), there can be an increase in its overall capacity or an increase in all of its factors of productions (FOPs)- this is a long term co...
ES
Answered by Ellen S. • Economics tutor
25003 Views

How do you write an A Level essay?

Writing an A Level essay which successfully hits the mark scheme with fluidity and a clear style can sometimes seem to be a daunting task. Where at GCSE level it is adequate to simply demonstrate subject kno...
RS
Answered by Rachel S. • History tutor
5045 Views

find the integral for xe^10x

for this type of question, integral by parts should be used . This involves using the formula for intregation by parts: lets first break apart the x and e 10x into two parts - "u" and "v"...
CS
Answered by Carl S. • Maths tutor
14988 Views

How to approximate the Binomial distribution to the Normal Distribution

X~Binomial (n,p) with n= fixed number of independent trials and p= probability of a trail succeeding. X ~Binomial can be approximated to Y~ Normal if: 1) The number of trials, n, is large 2) Probability of s...
LS
7257 Views