Search over 10,000 free study notes

This is a minimisation problem, but it's slightly tricky to see what it is we're minimising. Seeing as it's a that's varying, we are going to have to differentiate with respect to a at some point. We're g...

Kekulé's model of benzene is that it has 3 double bonds, in a ring of 6 carbons.
One - Benzene isn't very reactive, so if Kekulé's model were to be correct, there would be 3 double bonds in benzene, ...

Firstly, the structure of each point you make should follow the Point, Evidence, Explanation format (PEE). If you structure each new point/paragraph in this way you can achieve the highest level. Secondly...

Natural selection is the concept that individuals in a population that are best adapted to their environment are most likely to survive and succeed to breed and produce offspring. In turn, the offspring w...

Fringing, barrier and atoll reefs described, with a description of how a fringing reef is close to the coast in shallow water zones, barrier reefs develop through subsidence with a separation between the ...