Energy Content of Food

As I read the"nutritional information" panel on my box of cereal this morning I wondered how you would measure the "energy content" of food.
At AUS-e-TUTE we've come up with a straight-forward experiment that you could do in the school laboratory (or at home if you really wanted too!). We even provided some sample results and calculations so that you can measure the energy content of your favourite foods.

If you are an AUS-e-TUTE Member, you will also find additional resources such as a game, test and drill with worked solutions to help you prepare for your exams.

If you are not an AUS-e-TUTE member, you can access a "free-to-view" tutorial for evaluation purposes at http://www.ausetute.com.au/heatfood.html

Ice Calorimeter

Scientists began studying the heat produced in chemical reactions long before they even understood what a chemical reaction was!
At a time when scientists still believed that matter was made up of elements like Aristotle's earth, air, fire and water, and the concept of energy had not yet been formulated, they were using the newly invented
mercury-in-glass thermometer to measure the temperature of substances and the results were surprising.

The December 2013 edition of AUS-e-NEWS discusses the development of the very first calorimeter, the ice calorimeter, in 1780.

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Heat of Neutralisation

AUS-e-TUTE has added a new tutorial, game, test and exam on the topic of heat of neutralisation.

Visit http://www.ausetute.com.au and log-in.
The new resources are in the Thermochemistry section.