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How does electrophilic aromatic substitution occur?

The delocalised ring in aromatic compounds (such as benzene) is very stable and therefore requires a very strong electrophile to be created before it will react. An example of this would be the formation of ...
MP
Answered by Miles P. • Chemistry tutor
2854 Views

Explain the purpouse of reflux in the oxidation of ethanol to ethanoic acid

Reflux apparatus is when a distillation tube is surrounded by an apparatus that pumps cold water around it in order to condense its compounds in the mixture As ethanol has a low boiling point, it evaporates ...
MA
Answered by Monisah A. • Chemistry tutor
23627 Views

How do I calculate rate coefficient units?

For any rate equation, the units have to be equal on either side of the equation. The rate of reaction always has the units mol dm -3 s -1 , and the concentration species in the equation typically have units...
FR
Answered by Frances R. • Chemistry tutor
3693 Views

Explain why the boiling point increases from sodium to aluminium.

The elements from Na to Al have metallic bonding - the electrostatic attraction between positively charged metal ions and the delocalised electrons. Sodium forms Na+ ions, therefore 1 electron is lost from e...
DC
Answered by Doroti C. • Chemistry tutor
21869 Views

Magnesium is a bulk metal in our bodies. What is it’s main role regarding ATP?

Magnesium 2+ ions bind to (they don’t REALLY bind) and stabilize ATP molecules. The ATP (also ADP and AMP) contain highly reactive phosphates (the energy is stored in the chemical bonds between the phosphate...
MT
Answered by Marko T. • Chemistry tutor
2496 Views