How to Answer Using Energy Values Questions (Complete Guide)
Understanding this question requires applying core subject principles.
What This Question Is About
This question relates to using energy values and requires a structured academic response.
How to Approach This Question
Break the problem into smaller parts and analyze each logically.
Key Explanation
This topic involves using energy values. A strong answer should include explanation, application, and examples.
Original Question
Using the energy values for foods in the given table, determine each of the following (round off the answer for each food type to the tens place): Food type kcal/g kJ/g Carbohydrate 4 17 Fat 9 38 Protein 4 17 Part A Part complete the total kilojoules in two tablespoons of crunchy peanut butter that contains 6 g of carbohydrate, 11 g of fat, and 9 g of protein. Express your answer to two significant figures and include the appropriate units. 670 kJ Previous Answers Correct The values in the table are listed in units of kJ/g , meaning the energy yield per one gram of each food type. Since each food type contributes a different amount of energy, each food type must be calculated separately before adding together to find the total energy in the two tablespoons of peanut butter. Therefore, total kJ in 2 tsp. peanut butter===(carbohydrate energy)+(fat energy)+(protein energy)(6 g carbohydrate×17kJ1 g)+(11 g fat×38kJ1 g)+(9 g protein×17kJ1 g)670 kJ Part B the grams of protein in one cup of soup that has 150 kcal with 7 g of carbohydrate and 1 g of fat. Express your answer to two significant figures and include the appropriate units. Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type nothing nothing Request Ans
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