Answer to Question #246698 in General Chemistry for Julie

Question

the total kilojoules for one cup of orange juice that contains 26 g of carbohydrate, no fat, and 3 g of protein

Answer 1

Using the energy value for foods

1g of carbohydrate =17 kJ/g

1g of fat = 38kJ/g

1g of protein= 17kJ/g

Value of energy for the one cup of orange;

= (26×17)+(0×38)+(3×17)

=493kJ