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7023637
C3
Descrição
Mapa Mental sobre C3, criado por Harriet Sutton em 17-11-2016.
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gcse
Mapa Mental por
Harriet Sutton
, atualizado more than 1 year ago
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Criado por
Harriet Sutton
mais de 7 anos atrás
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C3
Qualitative analysis
Analysing substances
Blood tests
Carried out to monitor patients general health
Can also be used to diagnose diseases
measuring cholesterol in blood - diagnose heart disease
alcohol content of a drivers blood
Testing for ions
calcium, Ca2+
White precipitate
Ca2+(aq) + 2OH- (aq) --> Ca(OH)2 (s)
Copper(ll) Cu2+
Blue precipitate
Cu2+ (aq) + 2OH- (aq) ---> Cu(OH)2 (s)
Iron(ll) Fe2+
Green precipitate
Fe2+ (aq) + 2OH- (aq) --> Fe(OH)2 (s)
Iron(lll)Fe3+
Brown precipitate
Fe3+ (aq) + 3OH- (aq) --> Fe(OH)3 (s)
Aluminium Al3+
White precipitate then redissolves in excess NaOH to form colourless solution
Al3+ (aq) + 3OH- (aq) -->Al(OH)3 (s)
Then
Al (OH)3 (s) + OH-(aq) --> Al (OH)-4 (aq)
Qualitative analysis tells you WHAT is present
Could mean doing tests
To work out the identity of a mystery substance
Lots of substances are made up of different bits
EG- ionic substances all have a positive bit and a negative bit
Ionic reactions
Quantitative analysis
Measuring amounts
solutions and concentrations
Hard Water
Titrations
Preparing soluble salts
Electrolytic processes
Electrolysis of molten substances
Electrolysis of solutions
Electrolysis of copper electrodes
Electroplating
Gases,reversible reactions and ammonia
Calculating volumes
Reversible reactions
The haber process
Organic chemistry
Homologous series
Production of ethanol
Production and issues of ethanol
Ethene and ethanoic acids
Esters
Uses of Esters
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