100 L/min of milk at 25 C are added to a tank containing 2000 L of milk at 35 C. At the same time, 100 L/min of milk are extracted. A heating coil provides 2000 kcal/min. If the tank is perfectly agitated, calculate: . A) The temperature of the milk extracted after 20 min B) The time necessary for the milk to be extracted at 40 C C) The temperature at which the milk will be stable in the tank DATA: Density of milk, ho = 1030 kg/m3 Specific heat of milk, Cp = 1 kcal/kg- c