Chemistry Topic 5 Fuels
- Created by: Meggie
- Created on: 08-11-12 17:34
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- Chemistry Topic 5 Fuels
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- lead compounds that are added to petrol cause pollution.
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- The high energy in a car, oxygen and nitrogen react to form oxides of nitrogen.
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- fitting catalytic converyers to cars reduces air pollution (no burning of hydrocarbons)
- platinum, palladium and rhodium are used as catalytic converters.
- A hydrocarbon will burn incompletley in a low supply of oxygen to produce carbon and carbon monoxide
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- altering the air to fuel ratio in car engines reduces air pollution.
- if water and carbon dioxide are produced when a substance burns, it must have contained carbon and hydrogen.
- Hyrogen will burn completely in oxygen to produce H2O and CO2
- small molecules: boil at lower tempretures, are more flammble than big molecules and are less viscous than big molecules.
- if water and carbon dioxide are produced when a substance burns, it must have contained carbon and hydrogen.
- Hyrogen will burn completely in oxygen to produce H2O and CO2
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