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Explain how fractional distillation works.

Hydrocarbons have different boiling points and therefore different condensation points. The linger the hydrocarbon, the more intermolecular forces exerting between each molecule. This means that it requires ...
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Answered by Nick S. • Chemistry tutor
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Factorise 4x + 52

4(x+13)
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Answered by Nick S. • Maths tutor
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Explain the collision theory.

In order to react, particles must collide with sufficient energy. Particles with a temperature above 0K are always moving and colliding with each other.
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Answered by Nick S. • Chemistry tutor
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Prèsente ta famille

J'ai une mère et un père. Ma mère est un institutrice et mon père est un ingénieur. Aussi j'ai un frère quite est un pharmacien. Je m'entends bien avec ma famille.
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Answered by Nick S. • French tutor
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Describe the factors which affect the rate of diffusion.

Ficks law outlines the factors that affect diffusion. Diffusion gradient is the difference in concentration of the molecule either side of the membrane, the greater the difference the faster the diffusion. M...
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Answered by Nick S. • Biology tutor
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