Aresearcher studying the nutritional value of a new candy places a 5.70 g 5.70 g sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. the observed temperature increase is 2.14 ∘ c. 2.14 ∘c. if the heat capacity of the calorimeter is 30.30 kj ⋅ k − 1 , 30.30 kj⋅k−1, how many nutritional calories are there per gram of the candy?

2719 cal/g

Explanation:

The heat for a combustion reaction can be calculated by the experiment at the calorimeter by the equation

Q = C*ΔT

Where C is the heat capacity of the calorimeter and ΔT is the temperature variation. The temperature variation in °C is the same in K, so:

Q = 30.30*2.14

Q = 64.842 kJ

1 kJ 0.23900 kcal

64.842 kJ x

x = 15.50 kcal = 15500 cal

So, the nutritional calories per gram are the heat divided by mass:

15500/5.70

2719 cal/g

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

plz give brainliest

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health implications of pesticides

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other important considerations

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