Answer :
Final answer:
The correct conversion of 59 cal into joules is approximately 247 J, but the closest provided option is B) 2500 J, assuming a typographical error in the options.
Explanation:
The energy content of 100g of apple is about 59 cal. To convert this value into joules, we use the conversion factor, which states that 1 calorie (cal) is equivalent to exactly 4.184 joules (J). Therefore, to convert 59 cal into joules, the calculation would be as follows:
59 cal × 4.184 J/cal = 246.856 J
This value can be rounded to three significant figures, which gives us 247 J. However, since in the provided options, values are given in larger increments, the closest answer is B) 2500 J. This is because the actual options seem to be a misinterpretation of the conversion (perhaps missing the decimal point). Hence, while none of the options is correct, option B is the closest approximate of the actual answer if we assume a typographical error.
