What you’ll learn5 learning objectivesChoose one objective for a focused lesson, or study the complete topic.1.3.1Combustion reactions• Reactive metals, non-metals, organic compounds + O₂• Deduce complete combustion equations for hydrocarbons and alcoholsSyllabus objective1.3.2Incomplete combustion• Produces CO and C• Deduce incomplete combustion equations for hydrocarbons and alcoholsSyllabus objective1.3.3Fossil fuels• Coal, crude oil, natural gas• CO₂ emissions and greenhouse effect• Compare fuels by carbon dioxide released and energy outputSyllabus objective1.3.4Biofuels• From biological carbon fixation (photosynthesis)• Renewable vs. non-renewable• Consider advantages and disadvantages of biofuels compared with fossil fuelsSyllabus objective1.3.5Fuel cells• Convert chemical energy directly to electrical energy• Half-equations for electrode reactions• Include hydrogen and methanol fuel cells; PEM details are not assessedSyllabus objective