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Chemistry
GCSE

What are the differences between intermolecular and intramolecular forces?

Intermolecular forces are forces between separate molecules that hold the substance together. There are three main types; dipole-dipole interactions, hydrogen bonding and London dispersion forces, which a...

Answered by Jamie M. Chemistry tutor
24944 Views

a) Give a balanced equation for the complete combustion of butane, b) Explain how this would change if there was insufficient oxygen present, and explain the problems this causes

C4H10 + 6.5O2 -> 4CO2 + 5H2O
If there is not enough oxygen, incomplete combustion will occur, so CO (carbon monoxide) will be formed, carbon ...

Answered by Abigail P. Chemistry tutor
6473 Views

What is Fractional Distillation and how does it work?

Fractional Distillation is a method used in industry to separate different sized hydrocarbons (long chains that consist of hydrogen and carbon). This is useful as it mean...

Answered by Fred P. Chemistry tutor
2673 Views

Explain how a covalent bond holds two atoms together.

The electrostatic forces of attraction between the shared pair of bonded electrons and the positively charged nuclei hold the atoms together.

Answered by Adam R. Chemistry tutor
8261 Views

Describe how to separate hydrocarbons of different lengths

Heat the oil up until it is a vapour Pass into fractionating column Negative temperature gradientHydrocarbons of different lengths have different boiling points They condense at different heights and are ...

Answered by Mia N. Chemistry tutor
1675 Views

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