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Sustainable Green Chemistry (rates of reaction (increasing the rate of…
Sustainable Green Chemistry
rates of reaction
PH probe
change in volume of CO2
initial rate = initial slope y/x
mass change over time
gas probe
average rate
increasing the rate of reaction
increase the surface area
increase the concentration of the solution
increase the temperature
increase the pressure
Word equation
e.g. nitrogen gas + hydrogen gas = ammonia gas
combustion
incomplete combustion
complete combustion
enthalpy change of reaction
fuels
non-renewable
hydrocarbon
natural gas
fossil fuel
crude oil
corrosion
prevent rusting
painting
galvanising
electroplating
sacrificial protection
types of chemical reaction
single displacement reaction
double displacement reaction
composition reaction
decomposition reaction
endothermic and exothermic reaction
Hydrogen peroxide
catalyst
energy level diagrams
bond breaking and bond forming
enzymes
example of endothermic reaction
dissolving ammonium chloride in water
evaporating liquid water
photosynthesis
cooking eggs
melting ice
sublimation of carbon dioxide (dry ice)
examples of exothermic reactions
a burning candle
burning sugar
rain
respiration
redox reaction
reduction
oxidation
electrolysis
electrode
electrolyte
cathode
negative charge, attracts cations
anode
positive charge, attracts anions
alcohols
alkynes
alkanes
alkenes
collision theory
enough activation energy
correct orientation
the frequency of successful collision
hydration and fermentation of ethene
calorimetry
used to measure the energy absorbed or released as heat during a chemical change
q=mc△t
bond energy
a specific amount of energy is absorbed when bonds are broken
a specific amount of energy is released when new bind is formed
green chemistry
using less harmful chemicals and reducing the amount of heat or pressure in chemical processes
Nanako Funaki