Chemistry Study
Essay by review • November 2, 2010 • Coursework • 1,640 Words (7 Pages) • 1,784 Views
CHEMISTRY STUDY NOTES:
Module 1: The Chemical Earth
1.1 Construct word and balanced formulae equations of chemical reactions as they are encountered.
STEPS:
1. General equation
2. Word equation
3. Formula equation
4. Balanced equation
5. Ionic equation
Neutralisation:
1. base + acid  salt + water
2. calcium hydroxide (aq) + hydrochloric acid (aq)  calcium chloride + water
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
1. base + acid  salt + water
2. ammonium hydroxide + hydrochloric acid  ammonium chloride + water
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
Displacement of Metal for Hydrogen:
1. acid + metal  salt + hydrogen
2. Sodium + hydrochloric acid  sodium chloride + hydrogen
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
1. acid + metal carbonate  salt + carbon dioxide + water
2. hydrochloric acid + copper carbonate  copper chloride + carbon dioxide + water
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
(If one salt is insoluble precipitation)
1. saltAB + saltCD  saltCB + saltAD
2. Lead nitrate (aq) + potassium iodide (aq)  Lead iodide (s) + potassium nitrate (aq)
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
1. saltAB + saltCD  saltCB + saltAD
2. barium nitrate(aq) + hydrogen sulphate(aq)barium sulphate(s) + hydrogen nitrate(aq)
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
Displacement of one metal for another:
1. metal X + salt AB  metal A + Salt XB (base)
2. _____________________________________________________
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
Corrosion:
1. metal + oxygen  metal oxide (base)
2. magnesium + oxygen  magnesium oxide
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
1. non-metal + oxygen  non-metal oxide (acid)
2. phosphorus (s) + oxygen (g)  phosphorus oxide
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
1. non-metal + oxygen  non-metal oxide
2. calcium (s) + oxygen (g)  calcium oxide
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
1. Non-metal oxide + water  ACID
2. _____________________________________________________
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
1. Non-metal oxide + water  ACID
2. _____________________________________________________
3. _____________________________________________________
4. _____________________________________________________
5. _____________________________________________________
Decomposition:
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