Question

How many J are there in 30.0 kcal? (1 cal = 4.18 J)

Answer 1

To convert from kilocalories (kcal) to joules (J), multiply the value in kcal by the conversion factor 4186 J/kcal that will come to 125,580J.

Step-by-step explanation:

To convert from kilocalories (kcal) to joules (J), we can use the conversion factor 1 kcal = 4186 J. In this case, we have 30.0 kcal, so we can multiply this value by the conversion factor:

30.0 kcal x 4186 J/kcal = 125,580 J

Therefore, there are 125,580 J in 30.0 kcal.