Describe what happens to the temperature, the volume, and the phase composition ( number of moles of liquid or vapor present) following the removal of 750 J of heat from 1 mol of pure water initially in each of the following states. Assume that the pressure is maintained constant at 1 atm throughout and that the gas behaves ideally

a) water vapor initially at 130 C

b) liquid water initially at 100 C

c) water vapor initially at 100 C

d) which of these three processes above involves the largest amount of work done on or by the system? what is the sign of w?