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Chemical Reaction - 2019 (RATE OF REACTION (Collision theory (enough…
Chemical Reaction - 2019
COMBUSTION
heat, fuel, oxygen
living systems
cellular respiration
glucose + oxygen = carbon dioxide + water
fuel + oxygen = carbon dioxide + water
Candle experiment
different volumes of beakers
Exothermic
#
CORROSION
rust
metal + oxygen = metal + oxide + water
e.g. iron + oxygen -} iron oxide
rust experiment
test tubes with steel wool
oil and air, distilled water and air and air
Exothermic
#
PRECIPITATION
solubility
(NAGSAG)
formation of a solid when mixing 2 solutions
soluble salt + soluble salt = insoluble salt + soluble salt
Barium hydroxide = calcium chloride. Barium chloride = calcium hydroxide
plate with lots of chemicals experiment
Chemical Careers
medicine
new materials
shrimp derived plastic
ACID REACTIONS
acid + base
water + salt
colour test
spotting plate
indicators
acid + metal
hydrogen gas + salt
pop test
magnesium strip in test tube
hydrogen gas build up {POP}
acid + carbonate
salt + water + carbon dioxide
two test tubes
water colour change
CATALYST
Rate of reaction
#
temperature
Factors affecting
collision theory
orientate particles
Law of conservational mass
molecules / compounds
no matter is loss or created
RESIPITATION
Reactions
Exothermic
release energy
Endothermic
absorb energy
DECOMPOSITION
needs energy
break bonds
heat / electrical
electrolysis exeriment
water = hydrogen + oxygen
SYNTHESIS
formation of new products
RATE OF REACTION
surface area
increase temperature
increase kinetic energy
higher chance of high energy collisions
decrease volume
more reactants (particles)
Catalyst
#
increase rate of reaction
Collision theory
enough energy
correct orientation
successful reaction