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How do I structure an answer to an essay that asks: "how far do you agree...."?

This is a great question because it can certainly be confusing when trying to make a clear and structured argument throughout your essay, while still attempting to show other interpretations. The first thing...
MC
Answered by Migena C. • English tutor
12563 Views

How does light from distant stars show how fast they are moving away from us.

When an ambulance drives away from you it has a lower pitch than when it is stationary. The faster the ambulance drives away from you the lower the pitch of it's siren will be. This is called the Doppler eff...
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Answered by Nicholas R. • Physics tutor
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Write down the electronic configuration of a copper ion in this complex ion: [Cu(H2O)6]2+

The electronic configuration is 1s2,2s2,2p6,3s2,3p6,3d9 (or [Ar]3d9); as the electronic configuration of the neutral copper is [Ar]3d10,4s1, which is unusual and differs from most transition metal ions.
MF
Answered by Mikael F. • Chemistry tutor
13126 Views

Explain why ethanol has a higher boiling point than ethene (3)

I would recommend drawing both molecules to identify the key functional groups and relative sizes of the two molecules before attempting to write an answer. Answer: Ethanol molecules have hydrogen bonding in...
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Answered by Edward F. • Chemistry tutor
5982 Views

Explain the difficulties in calculating the carrying capacities for the human population.

In order to understand how to calculate the carrying capacity of humans, we first need to understand which factors limit growth. These include population, natural resources, agricultural production, and indu...
ZD
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