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Describe what the Activation Energy for a reaction is.

The activation energy is the minimum amount of energy that particles need to collide with for the reaction to occur.
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Answered by Adi R. • Chemistry tutor
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Explain what advantage a large surface area to volume ratio will provide for a penguin living in Antarctica

A large surface area to volume ratio will decrease the rate of heat loss from the penguin. In the cold environment of Antarctica this means that the penguin needs to expend less energy to maintain its body t...
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Answered by Adi R. • Biology tutor
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Can you describe ionic bonding and structure of ionic compounds to me?

Ionic bonding involves ionic bonds forming between a metal and a non- metal (show where metals and non- metals lie on the periodic table) and electrons are transferred. The structure of this ionic compound i...
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Answered by Deevani J. • Chemistry tutor
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How does Shakespeare present the theme of guilt in Macbeth?

[Point 1] In 'Macbeth', one of the ways in which guilt is presented is through the reoccurring image of blood . In Act 2 Scene 2, the blood on Macbeth’s hands after his murder of Duncan is both literal and a...
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What is the difference between the two literary devices an 'oxymoron' and a 'juxtaposition' and why are they used by writers?

Both devices display a similarity in the way that authors use them to emphasize a particular image or heighten an emotion. The difference lies in the fact that, with oxymoronic expressions, the contrast is c...
ED
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