Question

One cup of popcorn produces 135 kJ when burned in a calorimeter. What is the energy released by 3 cups of popcorn?

1) 405 kJ
2) 270 kJ
3) 90 kJ
4) 45 kJ

Answer 1

Three cups of popcorn will produce 405 kJ of energy when burned.

Step-by-step explanation:

One cup of popcorn produces 135 kJ of energy when burned in a calorimeter. To find the energy released by 3 cups of popcorn, we can use the fact that the energy released is directly proportional to the amount of popcorn. So, if one cup produces 135 kJ, then 3 cups will produce 3 times that amount, which is 405 kJ.