When can liquid water remain above 100°C?
A.)pressure must be greater than 760 mmHg
B.)pressure must be less than sea level
C.)H2O must be completely in the gas phase
D.)water cannot be heated above 100°C

Question

When can liquid water remain above 100°C?
A.)pressure must be greater than 760 mmHg  
B.)pressure must be less than sea level  
C.)H2O must be completely in the gas phase  
D.)water cannot be heated above 100°C

abb0t · Answer

No. At 100 degree's, the water,H$_2$O, which is liquid phase $\rightarrow$ gas phase and just goes out into the atmosphere.

anonymous · Answer

I think its C: H2O must be completely in the gas phase..