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Explain the 3 pieces of evidence that disprove Kekule's model of benzene.

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, and so i...
EW
Answered by Ellie W. • Chemistry tutor
37826 Views

How can I evaluate studies and theories successfully?

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 wh...
NB
Answered by Niamh B. • Psychology tutor
33051 Views

What exactly is Natural selection?

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 will...
JK
Answered by Joel K. • Biology tutor
3199 Views

Describe the three types of coral reefs and explain why reefs are sensitive to environmental changes

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 coa...
HW
Answered by Hamish W. • Geography tutor
2997 Views

Your school/college has organised an exchange trip to France. As part of the programme, you spend several days staying with a French family. On your return you are asked to write an account of your experience in French for your school/college website.

Bonjour à tous !Aujourd'hui je vais vous raconter mon séjour en France, où je suis passé quelques jours avec une famille française. J'y suis allé en avion, arrivant à Paris avant de partir en train à Rennes,...
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Answered by Hamish H. • French tutor
1363 Views