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2. Below is the phase diagram for CO2 Critical point Supercritical Liquid (31°C, 73 atm) fluid...
Among other things, phase diagrams help us predict those conditions under which a substance will exist...
Among other things, phase diagrams help us predict those
conditions under which a substance will exist as a supercritical
fluid. Supercritical CO2 is especially useful as it is very
effective at dissolving nonpolar oils which constitute many of the
flavouring or odor-causing compounds in foods. For example, food
companies use supercritical CO2 to extract caffeine from
coffee.
a) Use the following data to label the following points on the
phase diagram for CO2: Triple point -57°C, 5.1 atm, Normal
sublimation...
5) Consider the phase diagram for carbon dioxide(10). Supercritical fluid Solid Liquid Pressure (atm) -78.5 -56.4...
5) Consider the phase diagram for carbon dioxide(10). Supercritical fluid Solid Liquid Pressure (atm) -78.5 -56.4 Temperature (°C)— a) What is the critical temperature for carbon dioxide? b) What is the critical pressure for carbon dioxide? c) What phase(s) is/are present at -10°C and 30 atm. d) What phase(s) is/are present at -60°C and 10 atm. - e) What phase(s) is/are present at-78.5°C and 1 atm. f) What phase(s) is/are present at-56.4°C and 5.11 atm. g) What is the normal...
Question 10 (2 points) Consider the phase diagram of methane shown below below. 10 Supercritical fluid...
Question 10 (2 points) Consider the phase diagram of methane shown below below. 10 Supercritical fluid 102 Liquid 10 Solid Pressure (atm) 1 10-1 1 Gas 10-2 10-> 10-4 -200 0 100 -100 Temperature (9 What phase(s) of methane exist at 10 atm and -150° C gas solid solid, liquid and gas liquid O supercritical fluid
9. The phase diagram for Xenon is provided opposite Liquid What phase change(s) occur as Xenon...
9. The phase diagram for Xenon is provided opposite Liquid What phase change(s) occur as Xenon is cooled from room temperature to -150°C at 2 atm pressure 100 Solid 10 Deposition only Condensation then Freezing а) b) Gas c) Melting then Vaporisation 0.1 d) Condensation then Sublimation 0.01 Sublimation only е) -180 -120 -60 0 60 Temperature (C) 10. A schematic phase diagram is shown below. The temperature and pressure defining the (solid,liquid,gas) triple point (Tip,Pp) and the critical point...
Phase diagram for mysterious compound X 100 90 80 70 60 Pressure (atm) 50 40 30...
Phase diagram for mysterious compound X 100 90 80 70 60 Pressure (atm) 50 40 30 20 10 -100 0 100 200 300 400 500 600 700 800 Temperature (degrees Celsius) The triple point of compound X occurs at a temperature of °C and a pressure of atm. (Use your best approximation based in the graph)
Please b quick 10 000 solid + liquid 1000+ CO, solid CO, liquid 100 sublimation point...
Please b quick
10 000 solid + liquid 1000+ CO, solid CO, liquid 100 sublimation point 10 -78,5 at 1am liquid + gas Pressure (atm) Critical point 0,11 triple point -56,6 °C at 5,11 am 0,01 solid + gas 0.90 40 60 0.001 40 -120 -100 -80 -60 -40 -20 0 20 80 100 Temperature (°C) a) What phae does Carbon Dioxide exist as at a pressure of 1 atm and 25°C? b) Under what temperature and pressure conditions does...
Consider the phase diagram of NH3. Triple point: 195.9 K and 0.069 atm Normal boiling point:...
Consider the phase diagram of NH3. Triple point: 195.9 K and 0.069 atm Normal boiling point: -33.34 oC Normal freezing point: -77.73 oC Density of liquid: 0.618g/mL Density of solid: 0.817 g/mL (a) Determine the heat of fusion, the heat of vaporization, and the heat of sublimation at the triple point. (b) Determine the entropy change of fusion, vaporization, and sublimation at the triple point. (c) Plot the phase diagram in the temperature range T: [-90 oC, 130 oC]. For...
Consider the phase diagram of NH Triple point: 195.410 K and 0.06921 atm Normal boiling point:-33.342...
Consider the phase diagram of NH Triple point: 195.410 K and 0.06921 atm Normal boiling point:-33.342 PC Normal freezing point: -77.728 °C Density of liquid: 0.618g/mL Density of solid: 0.817 g/mL (a) Determine the heat of fusion, the heat of vaporization the heat of sublimation at near the triple point. (b) Determine the entropy change of fusion, vaporization and sublimation at near the triple point. (c) Plot the phase diagram in the temperature range T: [-90 °C, 130 °C]. For...
Question 22 (1 point) (c) (d) Which transition represents a decrease in entropy of the system?...
Question 22 (1 point) (c) (d) Which transition represents a decrease in entropy of the system? (b) → (c) O (d) - (c) (a) → (c) (c) → (b) Question 20 (1 point) Ethanol melts at -114 °C and boils at 78 °C at a constant pressure of 1 atm. What state of matter must a sample of ethanol be in at 100°C and 1 atm? solid and liquid in equilibrium gas liquid O solid liquid and gas in equilibrium...
3) (19 pnts) The following questions refer to the phase diagram of methane. (note the Log...
3) (19 pnts) The following questions refer to the phase diagram of methane. (note the Log scale of the pressure axis) Supercritical fluid Liquid Pressure (atm) Critical point (31.1 °C, 73.0 atm) Solid Triple point (-56.4 c, 5.11 atm) 10-22 -200 - 100 0 100 Temperature (°C) 200 a) What state is methane in at 10 atm and 0 °C: solid, liquid, or gas (circle one)? b) The atmosphere of Titan, a moon of Saturn, possesses -5% methane. Titan has...
Among other things, phase diagrams help us predict those
conditions under which a substance will exist as a supercritical
fluid. Supercritical CO2 is especially useful as it is very
effective at dissolving nonpolar oils which constitute many of the
flavouring or odor-causing compounds in foods. For example, food
companies use supercritical CO2 to extract caffeine from
coffee.
a) Use the following data to label the following points on the
phase diagram for CO2: Triple point -57°C, 5.1 atm, Normal
sublimation...
5) Consider the phase diagram for carbon dioxide(10). Supercritical fluid Solid Liquid Pressure (atm) -78.5 -56.4 Temperature (°C)— a) What is the critical temperature for carbon dioxide? b) What is the critical pressure for carbon dioxide? c) What phase(s) is/are present at -10°C and 30 atm. d) What phase(s) is/are present at -60°C and 10 atm. - e) What phase(s) is/are present at-78.5°C and 1 atm. f) What phase(s) is/are present at-56.4°C and 5.11 atm. g) What is the normal...
Question 10 (2 points) Consider the phase diagram of methane shown below below. 10 Supercritical fluid 102 Liquid 10 Solid Pressure (atm) 1 10-1 1 Gas 10-2 10-> 10-4 -200 0 100 -100 Temperature (9 What phase(s) of methane exist at 10 atm and -150° C gas solid solid, liquid and gas liquid O supercritical fluid
9. The phase diagram for Xenon is provided opposite Liquid What phase change(s) occur as Xenon is cooled from room temperature to -150°C at 2 atm pressure 100 Solid 10 Deposition only Condensation then Freezing а) b) Gas c) Melting then Vaporisation 0.1 d) Condensation then Sublimation 0.01 Sublimation only е) -180 -120 -60 0 60 Temperature (C) 10. A schematic phase diagram is shown below. The temperature and pressure defining the (solid,liquid,gas) triple point (Tip,Pp) and the critical point...
Phase diagram for mysterious compound X 100 90 80 70 60 Pressure (atm) 50 40 30 20 10 -100 0 100 200 300 400 500 600 700 800 Temperature (degrees Celsius) The triple point of compound X occurs at a temperature of °C and a pressure of atm. (Use your best approximation based in the graph)
Please b quick
10 000 solid + liquid 1000+ CO, solid CO, liquid 100 sublimation point 10 -78,5 at 1am liquid + gas Pressure (atm) Critical point 0,11 triple point -56,6 °C at 5,11 am 0,01 solid + gas 0.90 40 60 0.001 40 -120 -100 -80 -60 -40 -20 0 20 80 100 Temperature (°C) a) What phae does Carbon Dioxide exist as at a pressure of 1 atm and 25°C? b) Under what temperature and pressure conditions does...
Consider the phase diagram of NH Triple point: 195.410 K and 0.06921 atm Normal boiling point:-33.342 PC Normal freezing point: -77.728 °C Density of liquid: 0.618g/mL Density of solid: 0.817 g/mL (a) Determine the heat of fusion, the heat of vaporization the heat of sublimation at near the triple point. (b) Determine the entropy change of fusion, vaporization and sublimation at near the triple point. (c) Plot the phase diagram in the temperature range T: [-90 °C, 130 °C]. For...
Question 22 (1 point) (c) (d) Which transition represents a decrease in entropy of the system? (b) → (c) O (d) - (c) (a) → (c) (c) → (b) Question 20 (1 point) Ethanol melts at -114 °C and boils at 78 °C at a constant pressure of 1 atm. What state of matter must a sample of ethanol be in at 100°C and 1 atm? solid and liquid in equilibrium gas liquid O solid liquid and gas in equilibrium...
3) (19 pnts) The following questions refer to the phase diagram of methane. (note the Log scale of the pressure axis) Supercritical fluid Liquid Pressure (atm) Critical point (31.1 °C, 73.0 atm) Solid Triple point (-56.4 c, 5.11 atm) 10-22 -200 - 100 0 100 Temperature (°C) 200 a) What state is methane in at 10 atm and 0 °C: solid, liquid, or gas (circle one)? b) The atmosphere of Titan, a moon of Saturn, possesses -5% methane. Titan has...
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