Problem: Table 5.5: Compositions and Fuel ValuesFuelValuekJ/gkcal/g(Cal/g)Carbohydrate174Fat389Protein174Which releases the most energy when metabolized, 1 g of carbohydrates or 1 g of fat?

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energy=mass(g) ×kJg


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Table 5.5: Compositions and Fuel Values

FuelValue

kJ/gkcal/g(Cal/g)
Carbohydrate174
Fat389
Protein174


Which releases the most energy when metabolized, 1 g of carbohydrates or 1 g of fat?

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