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Chemistry
A Level

Define and give an example of Le Chatalier's Principle of Chemical Equilibrium.

For any change that occurs in a chemical system, the equilibrium of that system will shift in order to counteract the change being imposed on that system. For example, if the temperature is increased for ...

BC
Answered by Benn C. Chemistry tutor
3057 Views

How do heterolytic catalysts work?

What are catalysts? They are substances that speed up the rate of reaction by providing a favourable pathway, of lower activation energy, for the reaction to proceed. A heterogeneous catalyst is one that ...

DM
Answered by Dhylan M. Chemistry tutor
3816 Views

Explain the unusually high boiling point of HF

  • Due to the high electronegativity of flourine hydrogen bonds can be formed between HF molecules. - Hydrogen bonds require more energy to break that London Forces. - The other haloge...
CG
Answered by Chloe G. Chemistry tutor
28164 Views

Write a half-equation for the overall oxidation of ethanol into ethanoic acid.

 Answer:

CH3CH2OH + H2O CH3COOH + 4H+ + 4e– 

The question requests a half equation and so it is acceptable to write electrons and unpaired Hydrogen ions, so long as the charge overall is bal...

HS
Answered by Harry S. Chemistry tutor
23099 Views

How does the anticancer agent cisplatin work?

(The molcule of Cisplatin is made up of a central platinum atom covalently bonded to two ammonia (NH3) groups and two chlorine (Cl) atoms and has a square planar structure). Cisplatin works as an anticanc...

JS
Answered by James S. Chemistry tutor
5944 Views

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