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Chemistry
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What is Gibbs free energy? How is it useful?

The Gibbs free energy of a process is a measure of how readily that process will proceed on its own - a negative value means that the reaction is spontaneous, a positive value means that it is not, and...

Answered by Murdo M. Chemistry tutor
8416 Views

What is the difference between SN1 and SN2 reactions, and how do you determine via which mechanism the reaction will proceed?

This is the sort of question you are likely to stumble across in an IB HL Paper 2 examination. It would probably carry a few more marks and thus require a longer answer, but that is reason to panic!First ...

Answered by James G. Chemistry tutor
12036 Views

What is Mass Spectrometry?

Mass spectrometry is a technique we use to analyse and determine the structure of compound. Generally, it works by injecting your compound into an ionisation chamber, ...

Answered by Sinead B. Chemistry tutor
3187 Views

What is a mole?

 

A mole is simply a number, an amount of something. Like when people refer to a dozen of eggs they mean 12 eggs, when someone says a mole of atoms they mean 6.022 x 1023 atoms. A m...

Answered by Charlotte H. Chemistry tutor
10606 Views

How do each of ionic, covalent and metallic bonding compare?

To begin, it is important to note that each of these three types of bonding ...

Answered by Alia A. Chemistry tutor
9411 Views

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