![]() ![]() Melting and freezing points of elements and chemical species at varying conditions. ![]() Material properties of gases, fluids and solids - densities, specific heats, viscosities and more. Involving velocity, pressure, density and temperature as functions of space and time. Atmospheric CO 2 Concentrationīoiling points of elements, products and chemical species at varying conditions.ĭensities of solids, liquids and gases. The triple point of a substance is the temperature and pressure at which the three phases (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium. Carbon dioxide in solid phase is called dry ice.Īt the critical point there is no change of state when pressure is increased or if heat is added. The curve between the triple point downwards to zero pressure shows the sublimation point with changes in pressure (Sublimation: transformation from solid phase directly to gas phase). The curve between the critical point and the triple point shows the carbon dioxide boiling point with changes in pressure. ![]() The phase diagram for carbon dioxide shows the phase behavior with changes in temperature and pressure. However, at low temperature and/or high pressures the gas becomes a liquid or a solid. Ĭarbon dioxide is a gas at standard conditions. See also more about atmospheric pressure, and STP - Standard Temperature and Pressure & NTP - Normal Temperature and Pressure ,Īs well as Thermophysical properties of: Acetone, Acetylene, Air, Ammonia, Argon, Benzene, Butane, Carbon monoxide, Ethane, Ethanol, Ethylene, Helium, Hydrogen, Hydrogen sulfide, Methane, Methanol, Nitrogen, Oxygen, Pentane, Propane, Toluene, Water and Heavy water, D 2 O. Specific Gravity (density relativ to density of air)įollow the links below to get values for the listed properties of carbon dioxide at varying pressure and temperature : Heat (enthalpy) of vaporization at triple point Ĭhemical, physical and thermal properties of carbon dioxide : Values are given for gas phase at 25 o C /77 o F / 298 K and 1 atm., if not other phase, temperature or pressure given.įor full table with Imperial Units - rotate the screen! Carbon Dioxide - Thermophysical Properties Propertyĭensity, liquid at -34.6 ☏/-37☌, saturation pressureĭensity, solid at -109.3 ☏/-78.5☌, 1 atm Cooled CO 2 in solid form is called dry ice. When CO 2 is solved in water, the mild carbonic acid, is formed. It is relatively nontoxic and noncombustible, but it is heavier than air and may asphyxiate by the displacement of air. Carbon dioxide, CO 2, is a colourless and odorless gas. ![]()
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