Alcohol Energy Output

We will heat the set amount of water in a metal beaker. The water will be heated from room temperature, to 50 degrees Celsius. The height of the beaker will also remain

The same height, which for us was 15cm, we found this the best height, as the flames tip just touched the beaker, which reduced heat loss which would result in less reliable figures. The diagram shows the set up of the apparatus used, which again remains the same throughout the investigation. All of these variables that are kept the same will ensure a fair test, and more reliable results.

The alcohol burner will be weighed before the heating of the water, and after. These figures will be recorded so we can work out the amount of alcohol used in the heating of the water.

Various safety measures will be taken, i.e. wearing goggles. Making sure the apparatus is set up correctly and safely. Not carrying the alcohol burners around when lit.

Predictions

I predict that the different alcohols will heat the water, losing different amounts of weight, due to the different energy properties. The different bonds that need to be broken to release the energy, which occurs within in each alcohol.

Measurements.