need help with chem please

Question

Carbohydrates serve as a vital source of chemical energy to the human body. Carbohydrates are broken down into smaller units of glucose, among other sugars, providing energy to various muscles and organs, including the brain. On average, for every 11.0 g11.0 g of carbohydrates consumed, the body will store 187 kJ187 kJ of energy.

Convert this energy value to kilocalories (kcal).

Answer 1

1 cal = 4.184 J

1 kcal = 4.184 kJ

187 kJ x 1 kcal / 4.184 J = 44.7 kcal