The Ozone Story
- Created by: saskialee1
- Created on: 03-06-18 12:28
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- The Ozone Story
- gas concentrations can be expressed in per cent or parts per million (ppm)
- convert % to ppm by multiplying by 10,000
- convert ppm to % by dividing by 10,000
- calculations involving gases and measuring volumes of gas
- intermolecular forces
- temporary and permanent dipoles
- hydrogen bonding
- factors affecting rate of reaction
- catalysts - provide an alternative reaction pathway with a lower activation energy
- heterogeneous catalysis and homogeneous catalysis
- concentration - greater concentration means more molecules so increases the frequency of successful collisions
- temperature - increasing temperature increases kinetic energy - therefore more molecules have sufficient energy to overcome the activation energy
- the effect of temperature on rate (diagram)
- intensity of radiation - increasing intensity of radiation increases rate of reaction
- particle size - powder reacts faster than a solid lump as the surface area is increased
- measuring rates:rate = change in property/ time
- mass changes
- volume changes
- colorimetry
- pH changes
- catalysts - provide an alternative reaction pathway with a lower activation energy
- haloalkanes
- reactions of haloalkanes
- naming haloalkanes
- reactions of haloalkanes
- reactivity of haloalkanes increases down group 7 because bond enthalpy decreases
- nucleophilic substitution
- radiation and radicals
- formation of radicals
- radical chain reaction
- initiation -> propagation -> termination
- energy and matter
- light and electrons
- gas concentrations can be expressed in per cent or parts per million (ppm)
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