I thought the heat of combustion was good, you just had to get the balanced equation for combustion of ethanol then convert 1kg of CO2 to moles then use the stoichiometric ratio of CO2 to ethanol to get moles of ethanol, then use 1360 X moles ethanol to get answer
First few M/C ADADA... Exam was fairly difficult, but the 7/5/4 markers were not too bad. Last question in Shipwrecks was abysmal, i mean Volta and Davy in regards to improving ocean going vessels to corrosion? Come on