Answer:
0.029397 kCal
Explanations:
According to the question, we are to convert Joules to kCal
Using the conversion factor:
1 Joule = 0.000239 Kcal
Next is to convert 123 Joules to kCal
To do that, we will multiply 123 Joules with the factor as 0.000239
123 Joules = (0.000239 * 123) kcal
123 Joules = 0.029397 kCal
Hence the value of 123 joules is equal to 0.029397 kCal