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Year 11 Chemistry ​​​​​​​

Qualifications:                   GCSE Chemistry & GCSE Combined Science Trilogy

Specification Codes:       8462 & 8464

QAN Codes:                       601/8757/8 & 601/8758/X

Exam Board:                       AQA

You will study the following topics during the course:

  1. Atomic structure and the periodic table
  2. Bonding, structure, and the properties of matter
  3. Quantitative chemistry
  4. Chemical changes
  5. Energy changes
  6. The rate and extent of chemical change
  7. Organic chemistry
  8. Chemical analysis
  9. Chemistry of the atmosphere
  10. Using resources
     

 

Half Term

Unit of Work

Home Study

Autumn 1

Electrolysis

Complete at least 1 from the following:

  1. Use books and/or the Internet to search for videos and images for the extraction of aluminium by electrolysis of bauxite (aluminium oxide).
  • Create a poster or slide with a sketch:
  • clearly label each part of the cell
  • below the sketch, briefly note the purpose of each part of the cell including the cathode, the anode and cryolite
  1. Answer the question on worksheet ‘Electrolysis 1’.
  2. Use books and/or the Internet to find descriptions or videos of growing tin crystals from tin (II) chloride solution. Then answer the questions on worksheet ‘Electrolysis 2’.
  3. Electrolysis is only the final stage in the production of aluminium. Use books and/or the Internet to research aluminium ore, (bauxite), and to answer the question on worksheet ‘Electrolysis 3’.

 

Cells & Fuel Cells
(Separates Only)

Complete at least 1 from the following:

  1. Use the internet / books to research the history of the battery. Write a short piece on how batteries have developed or draw a timeline to illustrate battery development.
  2. Use the internet and / books to research possible uses of hydrogen fuel cells. Make a list of these applications and describe the advantages and disadvantages of using a hydrogen fuel cell.
  3. Draw a fully labelled diagram of a hydrogen fuel cell and balanced half equations to illustrate what is happening at each electrode.

 

 

Organic 1

Complete any 2 of the following home study tasks:

  1. Crude oil is a finite resource. Research the theory called ‘peak oil’. Use this information to write a letter to the prime minister explaining the problems that we may face in the future and suggest some solutions. Your letter should include lots of scientific facts but should also be enjoyable to read!
  2. Fractional distillation is the process of separating the mixture of hydrocarbons in crude oil. Imagine that you are a hydrocarbon and draw a cartoon to show what would happen during the process of fractional distillation. (HINT: remember to include the forces between the molecules)
  3. Create a song or rap that describes the different properties that different hydrocarbons have. Make sure that you include some information about how this influences the use of the fuel and how the properties are related to the size of the hydrocarbon chain. Could you perform this to the class!
  4. Cracking is a process in which large hydrocarbon chains can be broken down into smaller molecules using heat and a catalyst. Research the product that is created when the cracking process is used to break kerosene down. What useful product is made? What could be done with the left overs? Make a creative way to display the answers to these questions.

Autumn 2

Rate of Reaction

Complete 2 of the homestudy tasks listed below:

  1. Analyse the reaction of magnesium with hydrochloric acid use the homework sheet on rates of reaction to guide you.
  2. Complete a facebook profile related to the production of ammonia – use the facebook template to help you.
  3. Draw diagrams to illustrate how increasing and decreasing factors influence the rate of reactions. Use the collisions homestudy sheet to guide you.
  4. Research catalysts and write a newspaper article to explain what they are and their uses within industry.
  5. Use windows moviemaker (or a program of your choice) to create a short film explaining what affects the rate of a chemical change and giving examples. This film can be used as a revision film for yourself and possibly the class!
  6. Draw a cartoon that fully explains one of the factors that affects rate of a reaction. This cartoon must show balanced reactions and help others to understand the topic.

 

Reversible Reactions & Equilibria

Complete at least 2 from the following:

  1. Make a list of chemical reactions and identify whether or not they are reversible or irreversible. Use the internet / books to help you. Write word and / or balanced equations for each reaction where possible.
  2. Write a balanced equation for the reversible between anhydrous copper sulphate and water. Explain the terms ‘anhydrous’ and ‘water of crystallisation’. Investigate and explain why copper sulphate crystals are blue, but anhydrous copper sulphate crystals are white, (note that you may find yourself in ‘A’ level territory with this!).
  3. The Contact process is used in the production of sulphuric acid. Refer to worksheet Equilibria 1, and answer the questions to explain how Le Chatelier’s principle can be used to predict the effect on equilibrium of changes in pressure and concentration.
  4. Answer the questions on worksheet Equilibria 2 to explain the effect of changes in temperature on a closed system reversible reaction in equilibrium.
  5. The Haber process is used in the production of ammonia. State le Chatelier’s principle and using the Haber process as an example, explain the effect of (1) increasing the temperature, and (2) increasing the pressure on the position of equilibrium in this reaction. Explain why conditions used in practice are a compromise. (Separate Chemistry Only)

 

Quantitative Chemistry

  1. Write balanced equations for the complete combustion of each of the following hydrocarbons :
     
  2. Methane
  3. Ethane
  4. Propane
  5. Butane
  6. Pentane
     
  7. Calculate the Relative Formula Mass (RFM) of the above hydrocarbons and use this to calculate the number of moles present in 1g of each substance.
  8. Copper can be produced by the reaction of carbon with copper(II) oxide in accordance with the following equation:

2CuO + C=>2Cu + CO2

Calculate the % atom economy for the production of copper by this process.

  1. What mass (in g) of each of the following contains 0.05 moles
     
  2. CaCO3
  3. MgCl2
  4. C8H18
  5. Al(OH)3
  6. H2SO4
     
  7. What is the concentration, (in mol dm-3), of a solution containing 1g of copper sulphate dissolved in 100cm3 of water?
  8. Given that 1 mole of any gas occupies approximately 24dm3 at room temperature and pressure calculate:

 

  1. the number of grams of O2 that would occupy a volume 24dm3
  2. the number of grams of N2 that would occupy a volume of 6dm3
  3. the mass of CO2 that occupies a volume of 6dm3
  4. the mass of NH3 that occupies a volume of 1 dm3

 

  1. A passenger jet contains 4050 kg of copper wiring. A rock sample contains 1.25% CuFeS2 by mass. Calculate the mass of rock, in tonnes, required to produce enough copper wire for a passenger jet. (1 tonne = 1,000 kg).

 

Spring 1

Titrations (separates only)

Complete at least 2 from the following:

  1. Create a revision style guide to explain the difference between a weak and strong acid in terms of ionisation. Your guide should be interesting and easy to understand.
  2. Plan a step by step set of instructions to show how to carry out a titration
  3. Create a poster that explains the terms dilute and concentrated in terms of the amount of substance per dm3
  4. Plan a presentation that explains the terms neutrality and acidity in terms of hydrogen ion concentration and pH.

 

Chemical Analysis 2

o/s - VRJ

 

Organic 2

o/s - VRJ

Spring 2

Chemistry of the Atmosphere

Choose at least two from the following:

  1. Make a poster which illustrates the percentage composition of the main gases in the atmosphere highlighting the average levels of carbon dioxide which are found. Explain where carbon dioxide in the atmosphere comes from and how green plants use carbon dioxide to produce food and oxygen. Include a balanced equation for the process of photosynthesis.
  2. Design a poster to explain how the composition of the Earths atmosphere has changed since it was first formed.
  3. Design a poster which explains what the Greenhouse Effect is and ensure it describes how each of the major Greenhouse gases are produced.
  4. Write an article for a newspaper explaining the effects of global warming and the possible impacts this will have on wildlife, ourselves and the environment.
  5. If you can, watch the film ‘An Inconvenient Truth’ by former US Vice President Al Gore and write a review. Try and highlight the key points it is trying to make and comment on whether or not you think the film successfully conveys it’s message to an audience.
  6. Write an essay describing what the carbon footprint is and how we can reduce it.
  7. Design a poster on common atmospheric pollutants. Describe how each pollutant in the atomosphere is produced, what  effect it has and what we can do to reduce its levels.

 

Using Resources

Complete at least 2 from the following:

  1. Create a poster to show how metal rusts and suggest ways to prevent the corrosion.
  2. Design a new sports drinks bottle, make sure you think carefully about the material you choose and explain why its properties are suitable for its use.
  3. Research how much gold is in a wedding ring. Use this information to create an advert that explains to the public what is meant by 24 carat gold.
  4. Create a song / rap/ poem to explain the difference between thermosoftening polymers and thermosetting polymers.

Summer 1

Revision & Exams

 

Summer 2

Exams

 

All worksheets are available from your teacher.