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What is Fractional Distillation ?

Fractional distillation is the technique to separate different components present in the crude oil on the basis of their boiling points. Crude oil is a mixture of many useful hydrocarbons and it is very impo...
ML
Answered by Mahima L. • Chemistry tutor
6044 Views

I don't understand why pressure changes the position of equilibrium in a reaction?

When thinking of pressure I like to think of two boxes joined together with the reactants in one and products in the other. When you make the boxes smaller (increase the pressure) the items in the box with m...
HW
Answered by Heather W. • Chemistry tutor
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Lithium and potassium are both in Group 1 of the periodic table. Explain why.

Li and K both have one electron in their outer shell and therefore perform chemical reactions in a similar way and share certain characteristics.
JD
Answered by Joshua D. • Chemistry tutor
3675 Views

Define an exothermic reaction.

A reaction in which energy is released into the surroundings by the system.
BG
2930 Views

Graphite and diamond are both made from carbon atoms. Why can graphite conduct electricity while diamond cannot?

The carbon atoms in diamond make four bonds The carbon atoms in graphite make three bonds Graphite has delocalised electrons which can move through the graphite to carry a charge Diamond does not have deloca...
VH
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