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Explain how dyes are separated by paper chromatography.

For the technique of chromatography, there are two 'phases', the stationary phase and the mobile phase. In paper chromatography, the stationary phase is the paper and the mobile phase is the water. The paper...
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Answered by Amy R. • Chemistry tutor
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What is the electronic structure of sulphur

2,8,6
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Answered by Hannah R. • Chemistry tutor
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Solve the following equation 2x^2+6x=8

2x^2+6x-8=0fx^2+3x-4=0(x-1)(x+4)=0x=-4 or x=1
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Answered by Hannah R. • Maths tutor
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Draw the mechanism for the reaction of an acid chloride with an alcohol to form an ester

First thing to remember is that when drawing curly arrows, the arrows start where the electrons start and finish where the electrons end up. For this reaction the lone pair of electrons on the oxygen from th...
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Answered by Hannah R. • Chemistry tutor
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How are interest rates used by the Monetary Policy Committee to control inflation?

Inflation is the continuous increase in prices over time which can erode the value of money over time if left unchecked. This is the reason why the central bank has an interest in controlling inflation and k...
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Answered by Dana J. • Economics tutor
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