8 The equation for the complete combustion of propan-1-ol is shown.
CH3CH2CH2OH(1) + 42O2(g)
→ 3C02(g) + 4H2O(1)
Standard enthalpy changes of formation are given.
H2O(1)
compound
AH
CH3CH2CH2OH(1)
-303 kJ mol?
CO2(g)
-394 kJ molt
-286 kJ mor?
What is the standard enthalpy change of combustion of propan-1-ol, in kJ mol"?
A
-394 - 286 - 303
B
303 - (4 x 286) - (3 x 394)
C 394 + 286 – 303
D
(3 x 394) + (4 x 286) + 303
9
In the treatment of domestic water supplies, chlorine is added to the water to form HCIO.