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adell
1 month ago
13

Typical foods produce 9 cal/g for their fat content and 4 cal/g for their protein and carbohydrate content. if a typical apple w

eighs 225 g and is 84% water, 14% carbohydrate, and 0.5% fat, how many calories of food energy does an apple provide?
Health
2 answers:
guajiro [1.4K]1 month ago
6 0

Answer:

An apple yields a total of 136.125 calories.

Explanation:

Given that

  • an apple weighs 225 grams, comprised of 84% water, 14% carbohydrates, and 0.5% fat.
  • Additionally, typical foods yield 9 calories per gram from fat and 4 calories per gram from carbohydrates and protein.

Therefore, to find the answer, we must calculate the grams of fat and carbohydrates.

Using the provided percentages, we determine that

Fat: (0.5\%)(225g)=0.005(225g)=1.125g

Carbohydrate: (14\%)(225g)=0.14(225g)=31.5g

The apple contains 1.125 grams of fat and 31.5 grams of carbohydrates.

With 9 calories per gram of fat, the total from fat would be

Fat: 1.125g(9\frac{cal}{g})= 10.125cal

With 4 calories per gram for carbohydrates, the total would be

Carbohydrate: 31.5g(4\frac{cal}{g})= 126cal

Thus, the apple contributes 10.125 calories from fat and 126 calories from carbohydrates, leading to an overall total of 136.125 calories.

BARSIC [1.5K]1 month ago
6 0
In general, apples are composed of 84% water, 14% carbohydrates, and 0.5% fat, summing up to 98.5% of the composition, with the remaining part being indigestible components like seeds and fibers, such as the skin. To ascertain the calorie count of a 255 g apple, first find the weights of carbohydrates and fats and calculate their energy contributions, noting that water provides no caloric content because it lacks carbon.

Carbohydrate content: ((255 g*0.14)* 4 cal/g = 142.9 cal
Fat content: ((255 g*0.005)*9 cal/g = 11.475 cal
Total: 154.375 cal for a 255 g apple.
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