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Chemistry
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Why can graphite conduct electricity but diamond can’t even though they are both purely made of carbon?

Though graphite and diamond are made of only carbon, they both have a different structure. The structure of Graphite consists of carbon atoms covalently bonded to...

DT
Answered by Diana T. Chemistry tutor
9199 Views

Calculate the number of moles in 23.0g of CO2? ( relative atomic mass : Carbon=12, Oxygen=16)

Firstly we need to work out the molecular mass of CO2 . There is one carbon and two oxygens so we have to add the relative atomic mass (Ar) of one carbon and two oxygens. From the quest...

DB
Answered by Dilan B. Chemistry tutor
5480 Views

Describe, in three steps, how you would synthesise phenylethylamine (C6H5CH2CH2NH2) from methylbenzene, giving reagents and conditions for each step. For each step, state the type of reaction that occurs.

Methylbenzene (C6H5CH3) can be reacted with chlorine in the presence of UV light. The type of reaction is free radical substitution, and this produces phenylchloromethane ...

JH
Answered by James H. Chemistry tutor
7417 Views

What is electronegativity?

It is a measure of how much a neutral atom wants an electron, metals have very low electronegativity, they almost always give electrons up, whereas non-metals usually uptake electrons, so they have a high...

MF
1881 Views

Give an advantage of hard water.

Hard water tastes better.

AB
Answered by Angus B. Chemistry tutor
1795 Views

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