Single bonded straight chain compound with 6 carbon atoms
Hexane
General formula of Alkene
CnH2n
Functional group containing OH
alcohol
the catalyst in fermentation
Yeast
definition of the change in enthalpy for a chemical reaction
heat absorbed or released per mole
This alcohol had 5 carbons and the OH on carbon 2
2-pentanol
In Homologous series each successive member differ by one unit of CH2 has molecular mass of
14 a.m.u
Alkyl group is represented by symbol
R
distillation separates alcohol from water by
the difference in boiling points
specific heat capacity of water
4.18 J/g/K
Cyclic compounds having atoms of the same element in the ring with 4 carbon atoms
Cyclobutane
Alkyne with 7 carbon atoms
Heptyne
hydrocarbons with a triple bond
Alkynes
glucose chemical formula
C6H12O6
crops that bioethanol is made from
corn/sorghum/wheat and sugar cane
3 classifications of alcohols
primary, secondary, tertiary
Alkyl group has general formula
CnH2n+1
2-methylbutan-2-ol is a _______________ alcohol
tertiary
boiling point of ethanol
78 degrees celcius
2 advantages of ethanol as a fuel
renewable, higher octane, produces less CO2, theoretically greenhouse neutral
Branched chain compound containing 5 carbon atoms
Iso-pentane / Neo- pentane
Members of Homologous series have _______ chemical properties
Comparable/ same
A haloalkane contains
A halogen (i.e Cl, F....) instead of a hydrogen
octanol
Ethanol C2H5OH has an enthalpy of combustion ΔH = −1360 kJ mol−1 Calculate the heat released per gram of ethanol
=(1360/46.068) = 29.52 kJ/g