# Answer on Physical Chemistry Question for zarria

Question #24863

A researcher studying the nutritional value of a new candy places a 3.40-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.56 °C. If the heat capacity of the calorimeter is 32.40 kJ•K–1, how many nutritional Calories are there per gram of the candy?”

Expert's answer

Use the equation q=Q•ΔT/m,

where q-heat of compound, Q - heat capacity of the calorimeter, ΔT – change the temperature, m – mass of compound.

q=32.4•2.56/3.4=24.395 kJ/g=5.831 kcal/g=5831 cal/g.

Answer: The quantity of nutritional Calories per gram of the candy is 5831.

where q-heat of compound, Q - heat capacity of the calorimeter, ΔT – change the temperature, m – mass of compound.

q=32.4•2.56/3.4=24.395 kJ/g=5.831 kcal/g=5831 cal/g.

Answer: The quantity of nutritional Calories per gram of the candy is 5831.

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