
Write the equation for photosynthesis.

Important Questions on Energy
Explain why ethanol-based fuels are said to have a lower carbon footprint than petroleum-based fuels, even though they both release similar amounts of carbon dioxide on combustion.

Outline the reagents and conditions necessary to convert a vegetable oil to a usable fuel for a vehicle such as a car.


Outline what is meant by a system of conjugated double bonds.

Identify from the following structures which vitamins A, C, or D is most likely to appear as a colored compound. Explain your answer.

Write an equation for the fermentation of glucose.

Write the general equation for transesterification.

Deduce the number of molecules of ester and glycerol produced per molecule of a triglyceride undergoing transesterification.
