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Suggest why Phenol is more reactive than Benzene in Electrophillic Substitution

With phenol, the oxygen atom is directly attached to the delocolised pi system in phenol, as a result the lone pair on this oxygen is incorporated into this delocolised pi system in phenol, increasing it's e...
HC
Answered by Hayden C. • Chemistry tutor
3008 Views

Explain quantitatively how an object can follow circular motion whilst on a ramp with no friction in the radial direction.

The important condition for circular motion is that there must be a constant force acting perpendicular to the motion of the object. In this case there will be a contact force acting on the object from the r...
JR
Answered by James R. • Physics tutor
2906 Views

Sine Rule

The sine rule is a very powerful tool used in mathematics to calculate unknown sides and angles of triangles when we only know some of the information. For example if we have a triangle and we know two angle...
HG
Answered by Hugo G. • Maths tutor
6227 Views

Assess the view that the growth of fundamentalism is a reaction to globalisation.

Fundamentalists seem to go against the trend of secularisation, rejecting modern interpretations of faiths and seeking to return to the ‘literal truths’ of their religion. It is argued by some theorists that...
LH
Answered by Laura H. • Sociology tutor
20787 Views

I can't figure out this question to do with VAT. VAT is charged at 20%. A TV is for sale for £650 inc. VAT in Good Electronics and the same TV is for sale £495 exc. VAT in Wright's Electricals, where is it cheaper?

I can't figure out this question to do with VAT. VAT is charged at 20%. A TV is for sale for £650 inc. VAT in Good Electronics and the same TV is for sale £495 exc. VAT in Wright's Electricals, where is it c...
WH
Answered by William H. • Maths tutor
6037 Views