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Chemistry, 18.06.2020 13:57 cmflores3245
Q1.The table below shows data for the four hydrocarbons ethyne, propyne, propene and propane. AHc is the
standard enthalpy of combustion of these hydrocarbons.
Compound
Name
M
-AHC
/kJ mol
HCECH
ethyne
26
1300
HC-CCH,
propyne
40
1940
H. C=CHCH,
propene
42
2060
CH, CH, CH
propane
44
2220
The complete combustion of 2.0 g of one of the above hydrocarbons releases exactly 100 kJ of
heat energy
This hydrocarbon is
A
ethyne
B
propyne
C
propene
D
propane
(Total 1 mark)
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Q1.The table below shows data for the four hydrocarbons ethyne, propyne, propene and propane. AHc is...
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