1) A 50 g ice cube at -5 oC is taken out of a freezer. Heat is then added until all of the ice is transformed to steam at 100 oC. Determine the amount of heat that was added in kJ. 2) Ali is provided with a metal block having dimensions of 124 mm x 100 mm x 45 mm. Explain how Ali should place the block on the surface of a floor so that minimum pressure will be exerted by the block on the floor. Calculate the minimum pressure if the mass of the block is 10 kg