1. Thermochemical equations
Chapter 3.5

2. These thermochemical equations tell us the stoichiometric ratio of reactants and products as well as the energy released when this reaction occurs in this molar ratio. The states of the reactants is very important!

3. Complete combustion releases more energy than incomplete combustion

4. Energy changes using thermochemical reactions
For this type of problem, the energy released when a certain mass of fuel is burnt can be calculated
Or the mass or volume of fuel needed to provide a particular amount of energy

5. Comparing octane and ethanol

6. Comparisons by mass of fuel
How much energy is released when 20g of both octane and ethanol are completely combusted?

7. Volumes of (greenhouse) gases produced
Compare the volumes of gases produced when 20g of both octane and ethanol are produced.

8. Volume of CO2 produced per energy unit
Compare the volume of CO2 produced per MJ of energy when both octane and ethanol are completely combusted.

9. Greenhouse gases
Calculate the total volume of greenhouse gases (H2O and CO2) produced per MJ of energy at 1 atm and 500K