Equations🟰

Question 1

How do you work out how many joules of energy are in food (calorimetry)

Answer 1

Energy in food (J)= mass of water (g) x temp change of water x 4.2

Question 2

How do you work out how many joules are in each gram (calorimetry)

Answer 2

Energy per gram of food (J/g) = Energy of food (J) divided by mass of food (g)