What is the Vapour pressure of CO2?

830 psig
DESCRIPTION (Carbon Dioxide): Carbon Dioxide is a non-flammable, colorless, odorless gas. It is shipped in high pressure steel cylinders as a liquid under its own vapor pressure of 830 psig at 70° F.

What is the boiling point of CO2?

-78.46 °C
Carbon dioxide/Boiling point

What is the relationship between vapor pressure of a liquid and its boiling point?

Boiling. A liquid boils at a temperature at which its vapor pressure is equal to the pressure of the gas above it. The lower the pressure of a gas above a liquid, the lower the temperature at which the liquid will boil.

At what temperature and pressure can the solid liquid and vapor phases of CO2 coexist in equilibrium?

The Phase Diagram of Carbon Dioxide In contrast to the phase diagram of water, the phase diagram of CO2 (Figure 12.4. 3) has a more typical melting curve, sloping up and to the right. The triple point is −56.6°C and 5.11 atm, which means that liquid CO2 cannot exist at pressures lower than 5.11 atm.

What is the vapor pressure of carbon dioxide?

The vapor pressure of liquid and solid carbon dioxide RP538 THEVAPORPRESSUREOFLIQUIDANDSOLIDCARBON DIOXIDE ByC.H.MeyersandM.S.VanDusen ABSTRACT Thevaporpressureofliquidcarbondioxidefromthecriticalpoint(31.0°C.) tothetriplepoint(—56.60°C.)andthevaporpressureofthesolidfromthe triplepointtothenormalsublimationpoint (—78.515°C.)havebeenmeasured

How is the boiling point of carbon dioxide determined?

The curve between the critical point and the triple point shows the carbon dioxide boiling point with changes in pressure. The curve between thr triple point downwards to zero pressure shows the sublimation point with changes in pressure (Sublimation: transformation from solid phase directly to gas phase).

What is the temperature of liquid carbon dioxide?

It can only exist at a pressure above 5.1 atm (5.2 bar; 75 psi), under 31.1 °C (88.0 °F) (temperature of critical point) and above −56.6 °C (−69.9 °F) (temperature of triple point ). Low-temperature carbon dioxide is commercially used in its solid form, commonly known as ” dry ice “.

What’s the difference between boiling point and vapor pressure?

Vapor Pressure: The equilibrium pressure of a vapor above its liquid; the pressure of the vapor resulting from the evaporation of a liquid above a sample of the liquid in a closed container. Boiling Point: The temperature at which the vapor pressure of a liquid is equal to the atmospheric (or applied) pressure.