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Your friend, who has a mass of 70.0 kg, has a slice of pizza, a cola soft drink, and ice cream.
Item
Carbohydrate (g) Fat (g) Protein (g)
Pizza 45
10. 13
Cola 51
0 0
Ice cream 45
29 8
Part A
Using the table, calculate the total kilocalories for carbohydrate (round off the kilocalories to the tens place).
Express your answer to two significant figures and include the appropriate units.
?
μΑ
Value
Units

Respuesta :

Total  kilocalories for carbohydrate=560kcal.

  • Energy-giving nutrients that provide energy to the body  are found in Carbohydrates, fat and protein
  • Food energy is measured in  kilo calories  which is heat needed to raise the temperature of a liter of water 1°C.
  • Carbohydrates and protein contain 4 kilocalories per gram each, while fat contains 9 kilocalories per gram of energy.

Given that

1 gram of carbohydrate = 4 kilocalories of energy

Therefore Kilocalories on carbohydrate on foods eaten

Pizza= 45g carb x 4=180

Cola = 51 g carbx 4=204

Ice cream =45g carb x 4=180

Total  kilocalories for carbohydrate=564 rounding to the tens place becomes 560kcal.

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