Question: the standard enthalpy changes of combustion of glucose and ethanol are given?
Answer: The standard enthalpy changes of combustion of glucose and ethanol are given as -2820 and -1368 kJ mol ̄1 respectively. Glucose, C6H12O6, can be converted into ethanol according to reaction: C6H12O6(s) ---> 2C2H5OH(l) + 2CO2(g) What is the standard enthalpy change for the above reaction?