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Chemistry
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Explain why the first ionisation energy of phosphorous is different to that of sulfur

Sulfur has an atomic number of 16, phosphorous is 15. The first ionisation energy of a periodic row usually increases left to right. This is because number of protons increases thus increasing nuclear cha...

Answered by Hollie S. Chemistry tutor
2470 Views

What is enthalpy and how can it be calculated?

Enthalpy is a thermodynamic property that chemists can use to describe the heat energy transferred throughout a chemical reaction. It is especially useful given that it is defined as "a measure of h...

Answered by Chemistry tutor
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A) The compound butan-2-ol reacts with acidified potassium dichromate(VI) to form a new compound. Give the IUPAC name of the Product. B) 2,2-dimethyl butan-2-ol was subjected to the same conditions. State and explain the outcome

A) butan-2-one. [1 mark]
B) 2,2-dimethyl-butan-2-ol is a tertiary alcohol so it is not oxidised and would be recovered unreacted [2 marks]

Answered by Chemistry tutor
3623 Views

Using diagrams, describe the difference between Ionic, Covalent and Metallic Bonding.

Ionic bonding is the electrostatic forces of attraction between a metallic and non-metallic ion. The metallic ion has a positive charge ...

Answered by Eliza B. Chemistry tutor
1776 Views

How do you prepare an insolvent salt by precipitation?

Firstly, add two solutions of soluble compounds. Eg when making MgCl2, add Magnesium Nitrate and Sodium Chloride, as these two solutions are soluble. Then, mix the two solutions together in a b...

Answered by Keira H. Chemistry tutor
856 Views

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