rue False correct the false statements to make them true a

rue - False (correct the false statements to make them true) a. The normal freezing point is the temperature where the vapor pressure of the liquid is equal to 1 atm.b. Along any line in a 1 component phase diagram, f = 1.c. At any triple point in a 1 component system, f = 0.d. The relation d ln p/ dt = H/ RT2 is appropriate for a liquid solid phase change. e. For a reversible phase change at constant T and p, S = H / T.f. For a one component system, the maximum number of phases that can exist in equilibrium is three.g. The volume of a solution at T and P equals the sum of the volumes of the pure components at T and p.h. Intermolecular interactions are negligible in an ideal solution.i. At constant T and p, mixG must be negative for an ideal solution.j. At constant T and p, mixS = mixH / T for an ideal solution.k. mixS at constant T and p must be negative.

Solution

a. False. The normal boiling point is the temperature when the vapor pressure of the liquid is equal to 1 atm.

b. True. Along any line in a 1 component phase diagram, f = 1.

c. True. At any triple point in a 1 component system, f = 0.

d. False. The relation d ln p/ dt = delta H/ RT² is appropriate for a liquid-vapour phase change.

e. True. For a reversible phase change at constant T and p, delta S = delta H / T.

f. True. For a one component system, the maximum number of phases that can exist in equilibrium is three.

g. False. The volume of a solution at T and P equals the sum of the volumes of the pure components at T and p divided by their respective number of moles.

h. False. Intermolecular interactions are not negligible in an ideal solution.

i. True. At constant T and p, delta mixG must be negative for an ideal solution.

j. False. At constant T and p, delta mixS = -nR(x₁ lnx₁ + x₂ +lnx₂) for an ideal solution.

k. True. delta mixS at constant T and p must be negative.