To convert kilocalories (kcal) to joules (J), we need to know the conversion factor. The conversion factor is 1 kcal=4184 J1 \, \text{kcal} = 4184 \, \text{J}1kcal=4184J.
Multiply the given energy in kilocalories by the conversion factor to convert it to joules: 3.25 kcal×4184 J/kcal=13598 J 3.25 \, \text{kcal} \times 4184 \, \text{J/kcal} = 13598 \, \text{J} 3.25kcal×4184J/kcal=13598J
Compare the calculated joules with the options provided:
The closest value to 13598 J is 13600 J.
The correct answer is A.
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