4.
a) The enthalpy change of combustion of hexane was measured using
a calorimeter containing...
Chemistry, 27.02.2021 19:40 kgflol5692
4.
a) The enthalpy change of combustion of hexane was measured using
a calorimeter containing 200 cm3 of water; 0.5g of hexane (C6H14) was burnt.
The temperature of the water increased by 28.50K.
Calculate the enthalpy change of combustion of hexane.
(c = 4.184 kJ kg-1K-2). Give your answer in kJmol-1.
b) Suggest why this experimental value is less than the standard enthalpy
change of combustion of hexane found in a data book.
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