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What is Cracking and why is it carried out?

Cracking is the process of breaking large Hydrocarbon molecules into smaller ones.
This is carried out to refine fuels and increase the yeild in petrolium refining.

Answered by Anna G. • Chemistry tutor

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When testing for primary, secondary, and teritary alcohols what is the testing reagent and the results of the test?

Testing reagent= Acidified solution of potassium dichromate (VI). The alcohol is added and the mixture is heated.

For a primary alcohol- the mixture changes from orange (Cr2O72-) to green (Cr...

Answered by Anna G. • Chemistry tutor

21498 Views

How can you tell what shape a molecule is going to be?

The key to determining the shapes of molecules is to think about number of lone and bonded pairs of elections and the interactions between these pairs. In doing this we apply the valence-shell election-pa...

Answered by Anna M. • Chemistry tutor

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If an element has an atomic mass of 19 and a proton number of 9, how many neutrons does it have and how many electrons does it have?

The atomic mass is made up of all the protons and neutrons (which together form the nucleus) which each have a mass of approx. 1g. Therefore if the mass of the element is 19g and it has 9 protons (proton ...

Answered by Jay T. • Chemistry tutor

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