Reactive metals, non-metals and organic compounds undergo combustion reactions when heated in oxygen.
Deduce equations for reactions of combustion, including hydrocarbons and alcohols.
Reactive metals, non-metals and organic compounds undergo combustion reactions when heated in oxygen.
Deduce equations for reactions of combustion, including hydrocarbons and alcohols.
Incomplete combustion of organic compounds, especially hydrocarbons, leads to the production of carbon monoxide and carbon.
Deduce equations for the incomplete combustion of hydrocarbons and alcohols.
Fossil fuels include coal, crude oil and natural gas, which have different advantages and disadvantages.
Evaluate the amount of carbon dioxide added to the atmosphere when different fuels burn.
Understand the link between carbon dioxide levels and the greenhouse effect.
The tendency for incomplete combustion and energy released per unit mass should be covered.
Biofuels are produced from the biological fixation of carbon over a short period of time through photosynthesis.
Understand the difference between renewable and non-renewable energy sources.
Consider the advantages and disadvantages of biofuels.
The reactants and products of photosynthesis should be known.
A fuel cell can be used to convert chemical energy from a fuel directly to electrical energy.
Deduce half-equations for the electrode reactions in a fuel cell.
Hydrogen and methanol should be covered as fuels for fuel cells.
The use of proton exchange membranes will not be assessed.