Chemistry Paper 2 unfinished
- Created by: D. A.
- Created on: 24-05-18 12:29
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- Chemistry PAPER 2
- Rates of reaction
- How to Measure
- Loss of mass
- Collection of gas
- Colour change
- Factors affecting rates of reaction
- Concentration
- Pressure
- Surface area
- Temperature
- Catalysts
- Reversibe reactions
- Exothermic
- Endothermic
- higher temperature
- Lower temperature
- Endothermic
- Catalysts
- Speed up reaction
- Exothermic
- How to Measure
- Crude Oil
- A mixture of Hydrocarbons
- Hydrogen and carbon only
- Vapourised
- Made from plant/animal remains millions of years ago
- A mixture of Hydrocarbons
- Chemical analysis
- Chromatography
- Rf values
- Pure or mixture?
- Gas tests
- Hydrogen
- Oxygen
- Carbon dioxide
- Chlorine
- Chromatography
- Atmosphere
- Early atmosphere
- Oxygen increase
- Carbon dioxide decrease
- Oxygen increase
- Greenhouse gases CO2 + CH4
- Human activities
- Carbon footprint
- Human activities
- Pollutants
- Combustion: CO,Soot, SO2, NOs
- Early atmosphere
- Using resources
- Sustainable development
- Potable water
- Waste water treatment
- Recycling
- Alloys
- Ceramics, polymers, composites
- Rates of reaction
- Separated by fractional distillation
- Short chain hydrocarbons at top
- Low boiling point
- Highly flammable
- Highly volatile
- Long chain hydrocarbons at the bottom
- High boiling point
- Low flammabilty and volatility
- High viscoity
- Cracking
- Broken down (cracked) into smaller more useful products
- Smaller alkane PLUS an alkene
- alkene turns orange bromine water clear
- Short chain hydrocarbons at top
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