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Ch.5 - Thermochemistry
Chapter 5, Problem 93a

(a) A serving of a particular ready-to-serve chicken noodle soup contains 2.5 g fat, 14 g carbohydrate, and 7 g protein. Estimate the number of Calories in a serving.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Caloric Content of Macronutrients

Each macronutrient contributes a specific number of Calories per gram: fats provide 9 Calories per gram, carbohydrates provide 4 Calories per gram, and proteins also provide 4 Calories per gram. Understanding these values is essential for calculating the total caloric content of a food item based on its macronutrient composition.
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Nutritional Calculation

To estimate the total Calories in a serving of food, one must multiply the grams of each macronutrient by its respective caloric value and then sum these products. This process allows for a straightforward calculation of the total energy content of the food.
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Energy Balance

Energy balance refers to the relationship between the energy consumed through food and the energy expended through metabolic processes and physical activity. Understanding this concept is important for evaluating dietary choices and their impact on overall health and weight management.
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