Chemistry ‘A Level’: Pre Study Information
Please attempt all the questions below in the pre-course assignment. These will help
to make the start of your Chemistry course more productive. You will need to use a
periodic table to answer most of these questions.
Additionally, students must purchase the AS Level text book for next year at the
earliest opportunity:
1. Salters Advanced Chemistry: Chemical Ideas
ISBN 978-0435631499
max cost £25.00 (may be cheaper on Amazon)
2. Revise AS Chemistry for Salters
ISBN 978-0435631543
max cost £6.00 (may be cheaper on Amazon)
3. Salters Advanced Chemistry: AS Chemical Storylines
ISBN 978-0435631475
max cost £25.00 (may be cheaper on Amazon)
Chemistry ‘AS Level’: Pre-course assignment
1. Write the molecular formulae for the compounds listed below:
a. Sulphuric Acid
b. Nitric Acid
c. Hydrochloric Acid
d. Ethanoic Acic
e. Propanoic Acid
f. Sodium Hydroxide
g. Calcium Carbonate
h. Potassium Chloride
i. Calcium Hydrogen Carbonate
j. Ethyl Ethnoate
k. Methyl Metanoate
l.
2. Draw the structural formulae of the compounds listed below:
a. Ethane
b. Propane
c. Butane
d. Ethene
e. Propene
f. Butene
g. Ethanoic Acid
h. Propanoic Acid
i. Ethanol
j. Propanol
k. Ethyl Ethanoate
l. Methyl Metanoate
3. Convert the following masses to moles :
a. 6 g of Calcium Carbonate
b. 12 g of Carbon Dioxide
c. 15 g of Calcium Hydroxide
d. 25 g of Water
e. 10 g of Calcium Hydrogen Carbonate
f. 34 g of Propane.
4. Convert the following moles to grams :
a. 6 moles of Carbon Dioxide
b. 10 moles of Water
c. 0.05 moles of Calcium Hydroxide
d. 0.15 moles of Hexane
e. 19 moles of Hydrogen gas
f. 10 moles of Methane
5. Write balanced chemical equations for each of the following reactions :
a. Hydrogen gas reacting with Nitrogen gas to produce Ammonia gas
b. Calcium carbonate being broken down by heat into Calcium Oxide and
Carbon Dioxide
c. Calcium Hydroxide reacting with Sulphuric Acid to produce Calcium
Sulphate and Water.
d. Magnesium metal burning in Oxygen gas to produce Magnesium Oxide.
e. Sodium Hydroxide reacting with Hydrochloric Acid to make Sodium
Chloride and water.
6. Write in details the steps involved in carrying out a titration, you should
include in your answer all the main apparatus that must be used.
7. Calculate the concentration of Sodium Hydroxide that will be required to
neutralize 25 milliliters of a 0.01 M Hydrochloric Acid if 20 milliliters of the
alkali was required.
8. Calculate the volume of a 1 M Sulphuric Acid that will neutralize 30 millilitres
of a 2 M Sodium Hydroxide solution.
9. Calculate the volume of gas in each of the following. Assume that 1 mole of
any gas occupies a volume of 24 decimeters cubed at room temperature and
pressure:
a.
b.
c.
d.
e.
24 g of Hydrogen gas
15 g of Methane
24 g of Ethane
20 g of Carbon Dioxide
2 g of Oxygen gas
10. Draw the structural formulae of the following esters and also give the name of
alcohol and carboxylic acid that would be used for each:
a.
b.
c.
d.
e.
f.
Ethyl Propanoate
Methyl Propanoate
Ethyl Ethanoate
Butyl Butanoate
Propyl Propanoate
Methyl Methanoate