2S TEST 4th Feb

Test on air and atmosphere.

4D homework 28/1/10

Stick worksheet on experiment planning into your lab book and complete it. Use your textbook to research answers where unsure. This is preparation for the IAA.

1.1a homework 28/1/10

Write up the experiment done in class on the separation of dyes by chromatography. Use the chromatography provided to try to separate the dyes in a coloured solution. Ink or food colouring are good to try. Dry your chromatograms and stick them into your lab book.

5.D2 homework 27/1/10

Read page 60 of Chemistry Calculations and look through worked example 5j. Then do question 30 on page 64 in your blue homework jotter.

5.H1 homework27/1/10

Do problems 20 and 22 on page 70 in your blue homework jotters.

3.2b homework 23/1/10

Read carefully pages 144 - 147 and do question 1 page 149. The reading is the important part of this homework.

5.H1 homework 25/1/10

Chemistry Calculations - Read pages 57 and 60 (5.4 and 5.5) Do question 30 page 64 (blue homework book).
In addition, use your titration results to work out the concentration of the hydrochloric acid you used in the class titration (lab book).

5.H2 25/01/10

Turn the Test word equations into the corresponding formula equation.

2H Homework 25/1/10

In your blue books, write an essay on: Fires and Fire Fighting. Plan and start for homework, to be completed on class

You will need to plan your essay carefully. Make sure it has an introduction, middle section and a conclusion.

You should explain what fire is and also explain the three approaches to putting out fires. Mention a variety of different methods of extinguishing fires and explain how each works. For each method you mention, give a particular application and an explanation. For example, you could mention that a damp cloth is he best way to put out a chip pan fire and then explain why it is the best method. You would also need to explain why throwing water on a chip pan fire is not a good idea. Think of several examples for yourself; you can research the subject in the library.

Try to find out how large oil well fires are put out.
Do not forget to include diagrams and pictures where appropriate. Do not exceed 600 words. Words in diagrams or equations do not count.

You must hand in your completed essay by the deadline set.

Your essay will be marked in the following way

Scientific content 18 marks

Conciseness 3 marks

Structure & Coherence 3 marks

Spelling/grammar 3 marks

2H Hi]mework

5D2 homework 22/1/10

Read pages 108 - 111 and do questions 1 to 5 on pages 110 - 111.

3.1a homework 21/1/10

Read pages 144 - 148. Add the information on pge 148 to your activity series table in your lab book. Do questions 1 and 2 on page 149 in your prep jotter. Hand in no later than 9.00 Wednesday next week.

5.D2 homework 20/1/10

Read pages 108 - 109 in Book 3 and do as many of questions 1 to 6 as possible, showing all working.

5.H1 homework 20/1/10

Work through pages 108 - 109 of Book 3 and do questions 1 to 6 showing all working.

2H homework 18/1/01

Read pages 111 and 112 and do question 5 on page 112 in prep jotters

3.1a homework 14/1/01

Read pages 140 - 143 and do questions 1, 3 and 8. Hand in in good time for marking.

1,1a homework 14/1/01

Read pages 60 - 63 do questions 1 and 3 page 65

4D homework 12/1/01

Construct dot and cross diagrams to show the electron arrangements in all the ions in potassiun fluoride and calcium fluoride.

3.2a Homework 12/01/10

Using the reactivity series explain teh pattern of reactions in a coule of sentences. (Hint: look at the reactivity series and the metals where are th metals in the solutions that react?)

3.2b homework 11/1/01

Read pages 137 - 142 and do questions 3, 4 and 6 in prep jotters.

4.G1 11/01/10

Finish all questions on pages 198-199. This will finish this topic.

2H homework 11/1/01

In you prep jotter make lists of uses of mitrogen, oxygen amd argon. You will need to research this - google uses of nitrogen etc.

3.1a homework 7/1/01

Read pages 137 - 142 and do questions 4, 5 and 6 on page 143 in small prep jotters.

2S 11/01/10

Write up the "Making Carbon Dioxide" use the method we used for teh oxygen expt. But think carefully about what exactely we did.

1.1a homework 7/1/01

Write up an account of the experiment to separate salt from rock salt in your lab books.