Unit 3 Learning Outcomes
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Unit 3 Learning Outcomes

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Unit 3 Learning Outcomes Unit 3 Learning Outcomes Presentation Transcript

  • BLAZING AWAY!!!!
  • Natural Gas (2.1)
    • What is the chemical name for natural gas?
    • What are the properties and formula of methane ?
    • What gas in the air is used up when methane burns?
    • What 2 substances are formed when methane burns completely?
    • How can you test for these 2 substances?
  • Combustion (2.1)
    • What is combustion ?
    • Why does a bunsen burn more fiercely with the air-hole open?
    • Why is combustion said to be an exothermic reacion?
    • What do the products of combustion of methane prove about methane itself?
  • Alkanes (2.2)
    • What are the names and uses of some common alkane mixtures?
    • What is a hydrocarbon ?
    • What 2 substances are formed when a hydrocarbon burns completely?
    • What are the differences between a molecular formula and a structural formula?
  • Alkanes (2.2)
    • Can you draw the structural formula for the first 10 alkanes?
    • What is the molecular formula for the first 10 alkanes?
    • Can you name the first 10 alkanes?
    • What is the word equation for any alkane burning in oxygen?
  • Homologous Series (2.2)
    • What is the rule for working out the number of hydrogen atoms in an alkane molecule?
    • What is a homologous series , and why are the alkanes an example of one?
    • What is the general formula for the alkanes?
    • Why are the products of combustion the same for every alkane?
  • Fossil Fuels (2.3)
    • Can you explain how coal and oil were formed (where, what from, how long it took)?
    • Why are coal, oil and gas referred to as fossil fuels ?
    • What is crude oil , and why does it have to be refined?
  • Fractional Distillation (2.3)
    • How can distillation be used to separate the liquids in crude oil?
    • What are fractions ?
    • As the boiling point of a fraction increases, what happens to the speed of evaporation , viscosity and flammability ?
  • Fractional Distillation (2.3)
    • How does the size of a molecule change as the boiling point of a fraction increases?
    • What are some of the fractions distilled from crude oil and what are they are used for ?
    • What are the typical numbers of carbon atoms in each of the fractions?
  • Alkenes (2.4)
    • How are alkenes similar to alkanes in their properties?
    • Can you describe the chemical test for telling an alkane and an alkene apart?
    • How are alkenes made from alkanes?
    • What is the main type of substance made from alkenes ?
  • Alkenes (2.4)
    • Why are alkenes also hydrocarbons ?
    • What is meant by a double bond ?
    • Can you name and draw the structural formula of the first 10 alkenes?
    • Can you work out the molecular formula of the first 10 alkenes?
  • Alkenes (2.4)
    • What is the word equation for any alkene burning in oxygen?
    • What is the functional group in an alkene?
    • How can you work out the number of hydrogen atoms in an alkene molecule if you know the number of carbon atoms?
  • Alkenes (2.4)
    • Why does methene not exist?
    • What is the general formula for the alkenes?
    • Why do alkenes give the same combustion products as alkanes?
  • Carbon (2.5)
    • What are the symbol and properties of carbon?
    • Where are natural diamonds formed?
    • What are the properties of diamond?
    • Can you name 3 different forms of carbon?
  • Carbon (2.5)
    • Can you draw a diagram of the experiment you would use to prove the products of combustion of carbon or a hydrocarbon?
    • What is the word and formula equation for carbon burning in air?
    • What is carbon dioxide used for?
  • Carbon (2.5)
    • What is the formula of carbon monoxide , and how is it formed?
    • Why is carbon monoxide dangerous?
    • What is formed when carbon monoxide burns in air?
  • Pollution (2.6)
    • What are the main chemicals emitted from car exhausts? Which of these are considered to be pollutants ?
    • What can be done to reduce this pollution?
    • What is a catalyst ?
    • Which metals are used as catalysts in catalytic converters ?
  • Cracking (2.7/2.8)
    • What does cracking mean in chemistry?
    • Can you describe an experiment to demonstrate the cracking of an alkane?
    • What is the purpose of the steel wool in the cracking experiment?
  • Cracking (2.7/2.8)
    • How do the results of the experiment show the products to be a mixture of alkanes and alkenes?
    • What are the important safety points in the cracking experiment?
  • Cracking (2.7/2.8)
    • Which fractions from crude oil are most in demand?
    • How do oil refineries meet this demand?
    • What is a catalytic cracker ?
    • Why are the products of cracking then passed through a fractionating column?
  • Saturation (2.7)
    • What do the words saturated and unsaturated mean? Give examples.
    • What is the chemical test for unsaturation in hydrocarbons?
    • What is an addition reaction ? Give an example.
  • Isomers (2.9)
    • What are isomers ?
    • Can you draw some alkane isomers?
    • What is a cycloalkane ?
    • Can you name the first ten cycloalkanes, and give their molecular and structural formulae?
    • What is the general formula of cycloalkanes and why are they isomeric with the alkenes?