7 Flashcards
1
Q
Some pure substances may have more than one triple points
A
T
2
Q
The phase rule tells the degrees of freedom of an equilibrium system
A
T
3
Q
The minimum degree of freedom of a pure substance is 0
A
T
4
Q
The maximum degree of freedom of a pure substance is 3
A
F
5
Q
A supercritical fluid is a gas at a very high pressure
A
F…it’s neither gas or liquid
6
Q
The Clausius-Clapeyrom equation works only to l-v and s-v phase changes
A
T
7
Q
The Antoine equation is a modification of the Clausius-Clapeyron equation for saturated vapor pressure of a liquid
A
T
8
Q
The Clapeyron equation applies to both first order and higher order phase transitions
A
F… equation only applies to first order
9
Q
In a phase diagram, a tie line connects compositions of the two phases in equilibrium
A
T
