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25 October, 06:24

Calculate the number of Calories present in a chocolate chip cookie that contains 19 g carbohydrate, 1 g protein, and 4 g fat.

Express your answer to one significant figure and include the appropriate units.

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  1. 25 October, 06:36
    0
    100 cal

    Explanation:

    Given dа ta:

    Mass of carbohydrate = 19 g

    Mass of protein = 1 g

    Mass of fats = 4 g

    Solution:

    The average calories content of

    Protein 4 cal/g

    Carbohydrate 4 cal/g

    Fat 9 cal/g

    Then,

    1 g protein * 4 cal/g = 4 cal

    4 g fat * 9 cal/g = 36 cal

    19 g carb. * 4 cal/g = 76 cal

    Total calories = 116 cal

    Round to one significant figure = 100 cal
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