Top answers

How do you determine the shape of molecule?

Molecular shape is based on VSEPR Theory which states that electrons in lone pairs repel other electrons in lone pairs the most. Electrons in lone pairs repel electrons in bonding pairs less and electrons in...
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Answered by Daniel S. • Chemistry tutor
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How Does Bronte Evoke Sympathy for Jane Eyre in the Reader?

It is made abundantly clear in the beginning of the novel that Jane suffers from a deficiency of love, which is evidenced by the callous treatment she experiences at the hands of her only relations. Jane is ...
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Answered by Namera T. • English tutor
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Describe and explain how cell fractionation and ultracentrifugation can be used to isolate mitochondria from a suspension of animal cells.

It is possible to separate out the different organelles of a cell by spinning a homogenised solution of them at different speeds using an ultracentrifuge. The cells must first be placed in a cold, isotonic b...
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Answered by Kate W. • Biology tutor
38664 Views

What is the best way to learn facts and dates?

The best way to learn facts is in small chunks over a long period of time, so your need to organise your revision well before the exams start. Break the course up into sections (e.g. the Russian economy unde...
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Answered by Robert E. • History tutor
2513 Views

How do I plan an English essay?

The first step is to read the question very carefully, checking it three times over to make sure that you fully understand it. The worst mistake you can make in an English essay is to write about the wrong c...
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