To determine how many kcalories are in a food item,the food undergoes combustion in a chamber surrounded by water.Which factor must be determined in order to establish the energy content of that food item?

Question

Quizplus · Accepted Answer

The change in temperature of the water surrounding the chamber indicates the energy released by the combustion of the food item, which can be used to calculate the energy content in kcalories. The density of water, surface area of the food item, and volume of the food item do not provide information about the energy content of the food.

To Determine How Many Kcalories Are in a Food Item,the