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What are 3 characteristics of Benzene that go against the proposed Kekule model?

The Kekule model states Benzene consists of 3 pairs of alternating double C=C and single C-C bonds. A typical C=C bond would readily react with bromine to produce a dibromo-alkane and therefore would react w...
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Answered by Chris G. • Chemistry tutor
5951 Views

examiners can ask us to design an experiment in order to explore an aspect of ecology. How would I go about doing this?

Name the exact type of equipment used i.e. belt or line transect; frame, open or point quadrat. The answer to this will relate to the aims of the study. Trancsects are useful for studying changes over differ...
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Answered by Matthew F. • Biology tutor
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What are the possible effects of complete kidney failure on the blood?

Increase in blood concentration of: urea and electrolytes high blood pressure and fluid overload Decrease in blood cells and large proteins due to indiscriminate loss.
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Answered by Alice W. • Biology tutor
3548 Views

Describe the structure of DNA and its importance.

DNA stands for deoxyribose nucleic acid, and essentially carries the genetic instructions for functioning, development, and reproduction. It is stored in the nucleus, within chromosomes which are thread-like...
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Answered by Keshana K. • Biology tutor
15599 Views

„Ein Urlaub muss nicht teuer sein. Es gibt viele Möglichkeiten billig zu reisen.“ Was ist deine Meinung dazu?

Es kommt darauf an, was für einen Urlaub man gern machen würde. Zum Beispiel, Leute, die regelmäßig in 4 oder 5 Sterne Luxushotels bleiben, müssen teure Preisen bezahlen. Und für Touristen, die die Trends ni...
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Answered by Bethan S. • German tutor
2211 Views