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Chemistry
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What is a covalent bond?

A covalent bond is when the nuclei of two different atoms share a bonded pair of electrons.

CM
2117 Views

What is the difference between percentage yield and atom economy?

Percentage yield is an experimental value calculated based on obtained results whereas atom economy is a theoretical value measured according to a balanced equation. Percentage yield shows the efficiency ...

AG
Answered by Akriti G. Chemistry tutor
13527 Views

Name and describe the type of bond in sodium chloride

Sodium chloride contains ionic bonds between sodium and chloride ions.Sodium has one electron in its outer shell, whereas chlorine has 7. Atoms are happiest when they have a full outer shell of electrons....

EH
Answered by Emily H. Chemistry tutor
15921 Views

How could you obtain a carboxylic acid from oxidation of an alcohol and what type of alcohol would be suitable?

Primary alcohol is the only alcohol which can fully oxidise as it first oxidises to an aldehyde and this can be further oxidised to a carboxylic acid. This is not possible with 20 alcohols as t...

SH
Answered by Samuel H. Chemistry tutor
1987 Views

If you have 20.82g of Lithium (Molar mass = 6.34gmol^-1), how many moles of Li is it?

number of moles = mass / molar massTherefore, n=20.82g/6.34gmol-1=3moles

SH
Answered by Sam H. Chemistry tutor
3002 Views

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