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Reactive Chemistry (Chemical Reactions (Predict products (synthesis,…
Reactive Chemistry
Chemical Reactions
Chemical change
Colour change
Temperature change
bubbles produced
precipitate produced
solid disappears
Atoms rearrange
conservation of mass
Predict products
synthesis
decomposition
combustion
precipitation
acid/ base
acid/ carbonate
ATSI
Detoxify fods
balanced chemical equations
overall
ionic
net ionic
Predicting Reactions of metals
reactivity of metals
metal + water --> hydroxide + hydrogen
dilute acid + metal --> salt + hydrogen
oxygen + metal --> metal oxide
other metalions --> displacement - use standard potential table
activity series
K
Na
Li
Ba
Ca
Mg
Al
Zn
Fe
Sn
Pb
Cu
Ag
Pt
Au
explain activity series
ionisation energy
atomic radius
electronegativity
redox
electron transfer
half equestions
Reduction RIG
spontaneous
positive cell potential
Oxidisation OIL
higher on standard potential table
reverse equation and change voltage sign
Rates of Reactions
Rate impacted by
catalyst
increase RR
lower Ea
Surface area of reactants
more solid is exposed
increase SA
Increase RR
concentration of reactant
more particles
increase Conc
Increase RR
Temperature
more energy
increase T
Increase RR
collision theory
activation energy
molecular orientation