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This question is an acid calculation question so it requires you to recall key formulas relating to weak acids. As the Ka of HCOOH has been given, I would start by writing an expression for Ka. Ka= [HCOO-...

There are 2 methods used for finding the gradient of a line in 2D space, depending on whether it is a straight line or a curve.
To find the gradient a straight line you must first take the equation ...

While it is difficult to characterise Hamlet as a comedy from a modern perspective, Hamlet is comedic mostly through the use of dark humour. We must of course bear in mind that Hamlet wa...

To answer this question we need to first decide what the question is asking for. In this case the question is asking for the first and second differential of a given function. If we have a function f(x) =...

Hydrogen bonding occurs in water due to the large electronegativity difference between the hydrogen atoms and the oxygen atom.The oxygen attracts the shared pair of electrons towards itself leaving the hy...