An iron block with a mass of 200 g and a temperature of 72 C is placed next to an aluminum block mass 100 g and temperature 15 C. Assume that the bricks are perfectly insulated from the surroundings, so that there is no heat in or out except for the heat transferred from a block to it others. What is the temperature of the bricks when they reach equilibrium? The heat capacity of iron is 450 J / kgK and for aluminum it is 900 J / kgK. A: 26 C B: 34 C C: 44 C D: 53 C