Question

a box of graham cracker is labeled "120 Calories per serving". Assuming This means 120 Kcal, the energy of a serving of the graham crackers is about.

Answer 1

the energy per serving is 120 kcal. are you supposed to convert that to another unit?

Answer 2

Hint:
\[\Large 1Kcal = 4184joules\]
so we have:
\[\Large 120Kcal = 4184 \times 120 = ...joules\]

Answer 3

electron Volts might be a really cool unit for breakfast cereals :p