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Explain the relative resistance to bromination of benzene compared with alkenes.

Benzene has a delocalised pi system in which p orbitals of all carbon atoms overlap above and below the carbon ring. Alkenes, however, have localised pi-orbital overlaps between two carbon atoms. The elec...

JW
Answered by Jasmine W. Chemistry tutor
18267 Views

Distinguish between external sovereignty and internal sovereignty

Sovereignty is the principle of supreme and unquestionable authority, reflected in the claim by the state to be the sole author of laws within its territory. 
Definition of external vs. inter...

56672 Views

To what extent was the United States responsible for the collapse of the Grand Alliance at the end of the Second World War?

In writing this essay, the first thing to note is the structure of the question – ‘to what extent’ – this means that the essay will have to have two sides and deal both with the United States and the Sovi...

Answered by History tutor
10210 Views

Explain how a stack could be used in the process of evaluating an expression in Reverse Polish notation.

Starting at the left hand side of the expression push values onto stack. Each time operator reached in the expression pop the top two values off the stack and apply the operator to them, then push the new...

EF
Answered by Ellie F. Computing tutor
3635 Views

To what extent was there a Mid-Tudor Crisis? (1547-1558)

Firstly we must define 'crisis'- if we take crisis to mean that the monarchy was at breaking point, or the point of being overthrown, then there was not a crisis, although there were serious issues going ...

FE
Answered by Felicity E. History tutor
7364 Views

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