2013 Chemistry – Hurlstone ( Practise Mode Multiple Choice )

Identify a chemical equation that summarises the chemistry of the fermentation process.

This substance .... ?

The following diagram shows a galvanic cell.

Which of the following represents a correct model for the dehydration of ethanol?

A group of Year 12 students performed a first-hand investigation to find the heat of combustion of ethanol. They burned ethanol in a spirit burner, and used it to heat 100 mL of water, as shown in the diagram below. Using the results obtained calculate the molar heat of combustion for ethanol.