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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...

While simultaneous equation with two equations and two unknowns should be easy enough to solve using elimination, substitution, or graph sketching, simultaneous equations with more than two equations and two...

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...

First off, write your equation in the form: ax^ 2 +by+c=0 with a, b and c being your constant coefficients. First, we will factorise out a such that: a(x^ 2 +(b/a)x)+c Now divide b by 2. Then write a(x+(b/2a...

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...