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Making Crude Oil Useful

Fractions Distillation Fuels Crude Oil Evaluate. Keywords & Phrases. Making Crude Oil Useful. Learning Intention We are learning about how C rude oil is separated into fractions and why. How and why fractional distillation works. To use data to evaluate the use of different fuels.

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Making Crude Oil Useful

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  1. Fractions Distillation Fuels Crude Oil Evaluate Keywords & Phrases Making Crude Oil Useful Learning Intention We are learning about how Crude oil is separated into fractions and why. How and why fractional distillation works. To use data to evaluate the use of different fuels Look at the following formula displayed on your starter activity sheet. Write down two facts about each molecule from its formula (3 marks) Starter Activity

  2. Look at the following formula displayed on your starter activity sheet. Write down two facts about each molecule from its formula (3 marks) Starter Activity Temperature Saturated Unsaturated Family name What Group? General Formula Bromine water More reactive Density Intermolecular-force Hints Hint

  3. Why is crude oil separated into Fractions? Watch video clip: http://www.youtube.com/watch?v=26AN1LfbUPc

  4. What is fractional distillation? Explain why crude oil is separated by fractional distillation. • Use ideas about • Size of molecules • Forces between molecules and how these affect boiling point. • May 2012 GCSE Q1 b) Fractional Distillation http://www.ocr.org.uk/Images/135630-mark-scheme-unit-b641-02-unit-01-modules-c1-c2-c3-higher-tier-june.pdf

  5. Crude Oil Mixture Fractions Boiling points Large molecules Small molecules Fractional Distillation Hints What is fractional distillation? Explain how and why fractional distillation works.

  6. More on properties of fractions 1. What can you say about the fractions that are at the top of the column (in terms of its boiling point – low or high?) 2. What can you say about bigger molecules and its forces?

  7. Properties of fractions 1. What can you say about the fractions that are at the top of the column (in terms of its boiling point – low or high?) 2. What can you say about bigger molecules and its forces? Hints • Name the force between them • Intermolecular forces • Strong attractive forces or weak attractive forces? • Easily separated or not? • High boiling point - • Low boiling point-

  8. The Fractions In Crude Oil Petrol contains the alkane with 8 carbons. Can you guess its name? Draw a picture of the molecule.

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