Describe why mixtures of liquids and gases, even of the same substance, are NOT ideal gases. Describe which assumptions this mixture violates and draw plots comparing the behavior of these gases on P-v and T-v plots to support your argument. Water in a piston-cylinder system undergoes an isobaric heat addition process. It starts as a saturated liquid at 438.1 K (state 1) and then heat is added. Make sure to indicate the table you used for each of the questions below. What is the enthalpy at state 1? What is the enthalpy when the water reaches a saturated vapor state? What is the enthalpy when the water reaches 700 K? What is the phase?