A.both temperature and pressure must be fixed
B.either the temperature or the pressure may be fixed
C.the temperature is always more than 100?C at 1 atm
D.the temperature is always equal to 100?C at 1 atm
A.both temperature and pressure must be fixed
B.either the temperature or the pressure may be fixed
C.the temperature is always more than 100?C at 1 atm
D.the temperature is always equal to 100?C at 1 atm