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2013 Chemistry – Hurlstone ( Practise Mode Multiple Choice )

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

This substance .... ?

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

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.

The following diagram shows a galvanic cell.

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