Question

QUESTION 10

1. In calorimetry experiment, 0.30g of bagle was burned which increased water temperature from 22.3 to 25.1 ºC. The final mass of the bagle was 0.21g.

   Using the equation below, calculate calories in food sample and calories per gram. Show work.

   Calories in food sample = (600g)(change in water temperatureºC)(1Calorie/KgºC)(1kg/1000g)

   Calories per gram = Calories in food sample (C)/change in the mass of the sample (g)

QUESTION 11

1. In each amino acid, central carbon atom is connected to ______________.

QUESTION 13

1. Total energy expenditure = __________ + ___________ + ____________

QUESTION 14

1. [A] are chemicals in plants that may provide some health benefits.

QUESTION 15

1. List two examples for the above question.

Answer 1

11. central carbon atom the alpha (α) carbon, bonded to an amino group (NH2), a carboxyl group (COOH), and a hydrogen atom.

13. Phytochemicals are chemicals produced by plants. Like flavanoids, phenolic acids, carotenoids have pharmaceutical importance.

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