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Why does ice float on water?

When water freezes into ice, the H 2 O molecules form Hydrogen bonds between each other and arrange themselves into an open lattice structure. This causes the molecules in ice to be further apart from each o...
JC
Answered by James C. • Chemistry tutor
31401 Views

Why did Partition occur in Ireland in 1922?

This question should be answered with reference to a number of factors, which should be laid out and clearly signposted in the introduction. The key factors to discuss are: Protestant Ulster Unionism vs Cath...
JL
Answered by Jennifer L. • History tutor
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How far do you agree that the development of the Cold War between 1945 and 1953 was due to ideological differences?

The ideological differences between the Soviet Union and the US were undoubtedly a key factor in the early development of the Cold War. As stated in Source X, the contrasting beliefs of capitalism and commun...
BS
Answered by Ben S. • History tutor
3291 Views

Can you explain the Work-Energy principle and how you can apply it in a simple situation such as a box sliding down a rough slope?

The Work-Energy principle states that the total work done on or by an object is equal to the total change in energy between the given initial and final states. This can be reworded to also say that the total...
JA
Answered by Jagan A. • Physics tutor
15825 Views

Which epic, 'The Illiad' or 'The Odyssey' is more impressive in its portrayal of war?

Both poets use the theme of war to demonstrate each protagonist's character development and suggest the frailty of human life. Even for great warriors, fate is irresistable and inexorable. Look at Homer's us...
BM
2689 Views