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Chemistry
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What's the difference between Aliphatic and Aromatic Molecules?

Aromatic compounds contain a ring-structre e.g. Benzene whereas Aliphatic molecules have a straight chain structure e.g. Butane.

RW
Answered by Ruth W. Chemistry tutor
6099 Views

Explain why fluorine is more reactive than chlorine.

There are three things to consider every single time relative reactivity is unknown: atomic radius, shielding, and number of electrons.

The reactivity is the halogens ability ...

SA
Answered by Steven A. Chemistry tutor
60063 Views

What are moles and how do you use them?

A mole is an amount of an element or compound which contains as many atoms or molecules as is present in 12g of carbon 12 (6.02x1023 Avogadro’s number).

We can f...

AA
6323 Views

Explain how pH changes can be minimised using a mixture of a weak acid and it's conjugate base

This mixture of a weak acid (HA) and it's conjugate base (A-) acts as a buffer. A buffer is a solution with a highly stable pH. On addition of small amounts of either a strong acid ...

CT
Answered by Cora T. Chemistry tutor
4106 Views

Describe chemical test/s you could use to determine the identity of a carbonyl compound.

Use Brady's Reagent (2,4-DNPH) to test for the presence of the C=O bond in a carbonyl compound. The formation of a yellow precipitate indicates a positive test result. Then determine the melting point ...

MB
Answered by Megan B. Chemistry tutor
6769 Views

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