WATER: (Initial State - 1) sat. solid at 0°C and 1 atm. |
WATER: (Melted) sat. liquid at 0°C and 1 atm. |
WATER: (Final - 2) at 25°C and 1 atm. |
T = 0°C vs = 1.09 cm3/g hs = hs* |
T = 0°C vf = 1.00 cm3/g hf ≡ hs + hsf = hs* + 333 J/g |
T = 25°C v = 1.00 cm3/g h = hf + cavg( T - 0°C) = hs* + hsf + cavg(T - 0°C) = hs* + 333 J/g + 4.2 J/(g °C)(25 - 0)°C |
CARBON DIOXIDE: (Initial State - 1) sat solid at -79°C and 1 atm. |
CARBON DIOXIDE: (Sublimed) sat. gas at -79°C and 1 atm. |
CARBON DIOXIDE: (Ideal Gas) at 25°C and 1 atm |
T = -79°C vs = 0.64 cm3/g hs = hs* |
T = -79 °C vg = 113 cm3/g hg ≡ hs + hsg hg = hs* + 573 J/g |
T = 25°C v = 559 cm3/g cp = 0.85 J/g°C cv = 0.66 J/g°C h = hg + cp,avg(T - 0°C) = hs* + hsf + cavg(T - 0°C) = hs* + 333 J/g + 4.2 J/(g °C)(25 - 0)°C |