What phases can be present at 200°C and 0.75 atm pressure?
A. only the vapor phase
B. only the liquid phase
C. only the solid phase
D. both the solid and vapor phases
Answer:B
What phases can be present at 200°C and 0.75 atm pressure?
A. only the vapor phase B. only the liquid phase C. only the solid phase D. both the solid and vapor phases