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3994112
Chemical Synthesis
Descripción
Chemical Synthesis, C6 Mind-map
Sin etiquetas
chemistry
chemical synthesis
gcse
c6
physical science
chemistry ~ c4, c5 & c6
gcse
Mapa Mental por
haydena
, actualizado hace más de 1 año
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Creado por
haydena
hace más de 8 años
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Resumen del Recurso
Chemical Synthesis
Chemicals
Acids
Neutralisation
Solids
e.g citric acid
Liquids
e.g sulphuric acid
Gases
e.g hydrogen chloride
Hydrochloric Acid
HCl (aq)
Hydrogen ions in solution
Ions react to form Water
Alkalis
Neutralisation
Hydroxides of Na, K & Ca
Sodium Na Group 1
Potassium K Group 1
Calcium Ca Group 2
Hydreoxide ions in solution
H2O
pH
Indicators
Measurements
Universal Indicator
pH Meter
Scale
pH 1-6 acidic
pH 7 neutral
pH 8-14 alkali
Chemical Industry
Products
Fertilisers
Nitrates
Food additives
Salt
Pigments
Dyes
Drugs and medicines
Raw Materials
Crude Oil
Natural Gas
Chemicals from Plants
Fossil fuels
Coal
Bulk & Fine Chemicals
Bulk is made in mass
e.g Fertilisers
Fine is made in small amounts
e.g Medicine such as Steroids
Techniques
Dissolving
Crystallising
Filtering
Evapourating
Dryinig
Titration
Formulae
Equations
Ionic equations
Neutralisation
Balanced Equations
Symbol equations
Word Equations
Diagrammatical Equations
Formula Masses
Reacting massess
Titration results
Yields
Charges on ions
Ionic formulae
NaCl
Salt
Synthesis
Control
Rates
Catylst
A compound, mixture or element that speeds up a reaction
Temperature
Higher temperature = high rate
Lower temperature = low rate
Effect of concentration
Higher concentration = high rate
Lower concentration = low rate
Collision Theory
Effect of surface area of solids
Collision theory
Larger surface area = high rate
Smaller surface area = low rate
Energy changes
Exothermic
Giving out heat
Endothermic
Taking heat in
Stages
1. Choose the reaction
2. Risk assessment
3. Calculate quantities
4. Carry out reaction
5. Separate the product
6. Purify the product
7. Measure yield and check purity
Making Salts
Carbonates
Salt + Carbon dioxide + Water
Metals
Salt + Hydrogen
Oxides and Hydroxides
Salt + Water
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