a.) Can the number of degrees of freedom be negative?
b.) If H2O is at P=15 bar and the temperature is 100C, what state(s) is H2O in?
c.) When is it generally appropriate to consider a gas an ideal gas? When is it certain that it is
inappropriate?
d.) Saturated H2O is at a pressure of 5kPa and is contained in a 1.5m3 vessel. The quality is 0.4.
What temperature is the system at? What is the total specific volume and total mass of the entire
system?