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01094_Text_GCSE Activity Window Template.txt
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1999-02-05
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754b
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22 lines
Future lies beneath seabed
1. a) To which group of hydrocarbons does methane belong?
b) What is the chemical formula of methane?
2. a) Given the following melting and boiling points (C┬║) suggest a reason
why propane and butane are normally used as portable fuel supplies
rather than methane.
GAS MPt BPt
methane -183 -162.0
ethane -172 -88.5
propane -187 -42.0
butane -138 0.0
b) What is the name of the next member of the homologous series above?
Predict its likely MPt & BPt and then check your answer in a data book.
c) What conditions exist under the seabed which cause methane to solidify?
3. What are the main products of complete combustion of hydrocarbon
fuels such as methane?