A 0.25-liter bottle of apple juice contains 120 food calories.How many of these bottles of apple juice would be required to match the energy content in a liter of gasoline,where 87 octane gasoline contains 32 MJ per liter?

Question

Quizplus · Accepted Answer

A food calorie is equivalent to 4.184 kilojoules. Therefore, 120 food calories equal 502.08 kilojoules. To match 32 MJ (32,000 kilojoules) of energy, you would need 32,000 / 502.08 ≈ 63.74 bottles, which rounds up to 64 bottles.

A 025-Liter Bottle of Apple Juice Contains 120 Food Calories