Crude oil S2 Chemistry Materials from the Earth. Learning outcomesSuccess criteria Know how crude oil is extracted.Describe how crude oil is extracted.

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Presentation transcript:

Crude oil S2 Chemistry Materials from the Earth

Learning outcomesSuccess criteria Know how crude oil is extracted.Describe how crude oil is extracted from the ground. Know what crude oil is composed of. State what crude oil is mainly composed of. State what is meant by a hydrocarbon.

Learning outcomesSuccess criteria Know how crude oil is extracted.Describe how crude oil is extracted from the ground. Know what crude oil is composed of. State what crude oil is mainly composed of. State what is meant by a hydrocarbon.

Fractional Distillation S2 Chemistry Materials from the Earth

Learning outcomesSuccess criteria Understand how crude oil is separated into useful substances. State the name of the process used to separate crude oil. Explain why crude oil can be separated in this way. State what is meant by a fraction.

Learning outcomesSuccess criteria Understand how crude oil is separated into useful substances. State the name of the process used to separate crude oil. Explain why crude oil can be separated in this way. State what is meant by a fraction.

Learning outcomesSuccess criteria Know the trends in properties of crude oil fractions. State what is meant by flammability. State what is meant by viscosity. Describe how each of the following varies for fractions of different molecular size: –boiling point –evaporation –flammability –viscosity

Learning outcomesSuccess criteria Know the trends in properties of crude oil fractions. State what is meant by flammability. State what is meant by viscosity. Describe how each of the following varies for fractions of different molecular size: –boiling point –evaporation –flammability –viscosity

Learning outcomesSuccess criteria Know some uses for crude oil fractions.State examples of how the products of fractional distillation of crude oil can be used.

Learning outcomesSuccess criteria Know some uses for crude oil fractions.State examples of how the products of fractional distillation of crude oil can be used.

Separating techniques There are many separating techniques in chemistry. Examples: filtration, evaporation, chromatography… Distillation can be used to separate two liquids.

View animation Increasing viscosity Increasing boiling point Decreasing flammability Decreasing volatility Fraction: “a group of compounds with boiling points within a given range”.