One day you’re reading a popular diet blog, in which the author claims that if all you do is simply drink a sufficient amount of ice water every day, you could lose as much as half a pound each week. The claim is that your body must warm the ice water from 0°C to the body temperature of 37°C and that takes energy at the expense of body fat. Thankfully, you just finished discussing heat in your physics class, so you can calculate how much energy is expended in drinking ice water and how much fat will be lost. A) How much energy, in kilocalories, is required to warm 2.2 liters of ice water from 0°C to 37°C?
Q =

B) Assuming it takes 3300 kcal to “burn” one pound of fat, how many pounds could you lose per week just by drinking 2.2 L of ice water every day?
mfat = 0.4