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How do you calculate mass of energy in food?

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The equation for calculating the energy content of a food source via calorimetry is as follows: Energy (joules) = Mass of water (g) × 4.2 (J/gºC) × Temperature increase (ºC)


How do you calculate the energy in food?

How to Calculate Energy From Foods1Multiply grams of carbohydrate in the food by 4 calories per gram. A calorie is a unit of how much energy is in a given amount of food, also called a kcal. ... 2Multiply grams of protein in the food by 4 calories per gram. ... 3Multiply grams of fat in the food by 9 calories per gram.

How do you calculate the energy released per gram of food?

Energy can be calculated using the formula: Q = mc ∆T. In the formula, Q = the energy in joules or calories, m = the mass in grams, c = specific heat and ∆T = the change in temperature which is the final temperature minus the initial temperature. The specific heat for water = 1 calorie/gram °C.

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