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How can I best prepare for an oxbridge chemistry interview?

They will be looking for a very good knowledge of the a level course and the ability to take a-level concepts a bit further. A good way to test this is to use the Cambridge lower sixth chemistry challenge pa...
AM
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‘The British judiciary has become increasingly politicised.’ Discuss.

Judicial decisions influencing British politics has, if anything, been thrust into the awareness of the public recently. One must only think of the increased importance of Human Rights in English law under t...
NS
Answered by Niklas S. • Politics tutor
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Use factorisation to solve the equation x^2+5x+6=0

As we are considering a quadratic equation, we are looking for two values of x that make the equation equal to 0. To factorise, first look to the constant term (the term without any x) to find 2 numbers that...
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Answered by Niamh C. • Maths tutor
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Explain why sulfur deviates from the general trend in ionisation energies across period 3.

Sulfur has the electronic structure [Ne]3s2 3p4. This means there are 2 electrons in the same p orbital. These repel each other making it easier to remove the electron causing the ionisation energy to be low...
AM
Answered by Angus M. • Chemistry tutor
15308 Views

Describe how and explain why vegetable oils are hardened for use in foods

Vegetable oils are unsaturated because they contain lots of carbon-carbon double bonds. If we react them with hydrogen at 60oC in the presence of nickel catalyst they will become saturated, also called harde...
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Answered by Angus M. • Chemistry tutor
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