Chapter 14, Problem 45GP

To determine

To find : Total food calories should the drink have.

Answer to Problem 45GP

  $6.4$ kcal

Explanation of Solution

Given:

  $m=0.02$ kg, $T_i=5°$ , $T_f=37°$

Formula Used :

The heat is given as,

  $Q=ms\Delta T$

Calculation : Substituting the values,

  $Q=0.2\times 1\text{ kcal ×}\left(37-5\right)$

  $\Rightarrow Q=0.2\times 32\times 1$

  $\Rightarrow Q=6.4$ kcal

Conclusion :

Hence the drink should have $6.4$ kcal of energy.