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Firstly, it's important to recognise that ionic compounds and metals are two different structures. Ionic compounds consist of positively charged ions and negatively charged ions held toge...
As I’m sure you already know, the units of concentration are mol dm-3. So before we calculate concentrations we must convert the volu...
(x-4x3) = x(1-4x2) Just taking a factor of x out of both terms Within the inner bracket we have a difference of two squares. 12=1 and (2x)2=4x2 ther...
First step is to seperate the variables (EQ1) : (1/y^2) dy = 6x Then we integrate each side seperately giving us (EQ2) : -1/y = 3x^2 + C (remembering to add 1 to the power and divide by the new power) s...
I would differentiate it and then turn it into an equation to find the points where the gradient equals zero. With these points at hand, I would take a second derivative, this tells me how the gradient ch...
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