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The net change in enthalpy for combustion of glucose ($C_6H_{12}O_6$) in the presence of excess oxygen is -2803 kJ in a non-biological system. On average, the metabolism of carbohydrates produces about 17 kJ/g, and the metabolism of proteins produces about 17 kJ/g of energy.

Based on this information, if a person were to consume 2 grams of glucose and 4 grams of protein, how much energy would be produced for use by the body?

A

34 kJ

B

102 kJ

C

467 kJ

D

989 kJ

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