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Suggest two reasons why resources of renewable energy have become more important in many countries.

Firstly, increasing population size can cause increased energy demands. This means that alternatives to non-renewable energy must be found as fossil fuels can no longer meet such demands, thus causing increa...
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What is the charge of iron in the following complex: [Fe(H2O)6]Cl2 ?

When attempting to answer a question about complexes, you need to think about three things: the identity of the metal (and its oxidation number), type of ligand (i.e. if it's neutral like H2O or has a negati...
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Let f(x)= x^3 -9x^2 -81x + 12. Calculate f'(x) and f''(x). Use f'(x) to calculate the x-values of the stationary points of this function.

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) = x ...
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How does Hydrogen bonding arise in Water?

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 hydro...
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Briefly evaluate Ash's study into conformity (4 marks)

A strength of Asch's study into conformity is that it was carried out in a lab setting and was carefully controlled. This means that there was good control over extraneous variables, therefore any change in ...
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