The deepest point in the ocean is in the mariana trench, about 11 km deep, in the pacific. the pressure at this depth is huge, about 1.13 3 108 n/m2. (a) calculate the change in volume of 1.00 m3 of seawater carried from the surface to this deepest point. (b) the density of seawater at the surface is 1.03 3 103 kg/m3. find its density at the bottom. (c) explain whether or when it is a good approximation to think of water as incompressible.

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg. how much energy e must be supplied to the device? express your answer in joules.