Energy and Specific Heat Report Sheet B. Measuring the Caloric Value of a Food T

Question

Energy and Specific Heat Report Sheet B. Measuring the Caloric Value of a Food Type of Food sample Ch Mass of aluminum can and water Mass of aluminum can Mass of food Final temperature of water 0.014 1A, 891 2.12 B.1 B.2 B.3 20° Initial temperature of water B.4 Mass of food remaining Calculations B.5 Mass of water B.6 Temperature change for water B.7 Heat gain (calories) of water 4.13 15% (Show calculations) Heat gain (kilocalories) of water Heat loss (calories) of food sample Heat loss (kilocalories) of food sample Mass of food undergoing combustion B.8 B.9 Caloric value (kcal/g) of food sample Show calculations

Explanation / Answer

B.7. Heat gain (Calories) of water = mass of water* specific heat of water* temp. change

=89.13* 1 * 15 = 1336.95 cal

as specific heat of water= 1 Cal/gm oC=4.186 J/gm0C

B.8. Heat gain (KiloCalories) of water = 1.337 Kcal

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