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Is it possible to find dry ice crystals lying around the base in Antarctica?
Physicality of claims regarding AC ice energy storage unitsDry Ice in Liquid StatesDoes a cooler, submerged in water, keep beer colder, longer?How can we describe or model the spread of ice during the freezing of the surface of a still lake?Is air in the refrigerator dry? how much?Frozen lake ice formationEnergy efficiency: better to heat hot tub constantly or twice a day for a longer period?What can I do to be invisible for the IR-camera on board of a police helicopter?Am I right about IR vision?Is physical entropy opposite to information entropy?
$begingroup$
Dry ice sublimates at -78.5°C, while the lowest temperature registered is about -89.2°C around the Vostok station in Antarctica. Imagine a person living on that station on that day (or night, since it was measured during the polar night).
If that person goes outside, would they find any dry ice crystals laying on the ground?
thermodynamics phase-transition weather
asked 8 hours ago
alexeykuzmin0alexeykuzmin0
1113
New contributor
alexeykuzmin0 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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add a comment |
$begingroup$
Dry ice sublimates at -78.5°C, while the lowest temperature registered is about -89.2°C around the Vostok station in Antarctica. Imagine a person living on that station on that day (or night, since it was measured during the polar night).
If that person goes outside, would they find any dry ice crystals laying on the ground?
thermodynamics phase-transition weather
asked 8 hours ago
alexeykuzmin0alexeykuzmin0
1113
New contributor
alexeykuzmin0 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
add a comment |
$begingroup$
Dry ice sublimates at -78.5°C, while the lowest temperature registered is about -89.2°C around the Vostok station in Antarctica. Imagine a person living on that station on that day (or night, since it was measured during the polar night).
If that person goes outside, would they find any dry ice crystals laying on the ground?
thermodynamics phase-transition weather
asked 8 hours ago
alexeykuzmin0alexeykuzmin0
1113
New contributor
alexeykuzmin0 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
Dry ice sublimates at -78.5°C, while the lowest temperature registered is about -89.2°C around the Vostok station in Antarctica. Imagine a person living on that station on that day (or night, since it was measured during the polar night).
If that person goes outside, would they find any dry ice crystals laying on the ground?
thermodynamics phase-transition weather
thermodynamics phase-transition weather
asked 8 hours ago
alexeykuzmin0alexeykuzmin0
1113
New contributor
alexeykuzmin0 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 8 hours ago
alexeykuzmin0alexeykuzmin0
1113
New contributor
alexeykuzmin0 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 8 hours ago
alexeykuzmin0alexeykuzmin0
1113
New contributor
alexeykuzmin0 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 8 hours ago
alexeykuzmin0alexeykuzmin0
1113
asked 8 hours ago
alexeykuzmin0alexeykuzmin0
1113
1113
New contributor
alexeykuzmin0 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
alexeykuzmin0 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
alexeykuzmin0 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
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1 Answer
1
active
oldest
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$begingroup$
The equilibrium vapor pressure of carbon dioxide at -80 C is about 1 bar. The partial pressure of carbon dioxide in air is about 0.0004 atm. This tells you that CO2 will not sublime from air at -80 C.
answered 8 hours ago
Chester MillerChester Miller
15.6k2825
$endgroup$
$begingroup$
That's why I always make sure to bring a sealed box of carbon dioxide when I vacation in Antarctica.
$endgroup$
– JMac
6 hours ago
$begingroup$
While this answer is completely correct, I feel obliged to point out that drawing comparisons between two values in different units (atm vs. bar) is Not A Best Practice, particularly when they're not related by a standard SI prefix.
$endgroup$
– Michael Seifert
6 hours ago
$begingroup$
Oops. I meant for the first to be atm.
$endgroup$
– Chester Miller
6 hours ago
$begingroup$
So if I was brewing beer (what else is there to do at Vostok?), and thus had a container of carbon dioxide, which naturally happens during brewing, that container could have developed CO2 crystals, while it slowly deflated.
$endgroup$
– Cort Ammon
2 hours ago
$begingroup$
Yes, if the pressure of pure CO2 in the container is higher than the equilibrium vapor pressure of CO2 at the temperature of the CO2.
$endgroup$
– Chester Miller
1 hour ago
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
The equilibrium vapor pressure of carbon dioxide at -80 C is about 1 bar. The partial pressure of carbon dioxide in air is about 0.0004 atm. This tells you that CO2 will not sublime from air at -80 C.
answered 8 hours ago
Chester MillerChester Miller
15.6k2825
$endgroup$
$begingroup$
That's why I always make sure to bring a sealed box of carbon dioxide when I vacation in Antarctica.
$endgroup$
– JMac
6 hours ago
$begingroup$
While this answer is completely correct, I feel obliged to point out that drawing comparisons between two values in different units (atm vs. bar) is Not A Best Practice, particularly when they're not related by a standard SI prefix.
$endgroup$
– Michael Seifert
6 hours ago
$begingroup$
Oops. I meant for the first to be atm.
$endgroup$
– Chester Miller
6 hours ago
$begingroup$
So if I was brewing beer (what else is there to do at Vostok?), and thus had a container of carbon dioxide, which naturally happens during brewing, that container could have developed CO2 crystals, while it slowly deflated.
$endgroup$
– Cort Ammon
2 hours ago
$begingroup$
Yes, if the pressure of pure CO2 in the container is higher than the equilibrium vapor pressure of CO2 at the temperature of the CO2.
$endgroup$
– Chester Miller
1 hour ago
add a comment |
$begingroup$
The equilibrium vapor pressure of carbon dioxide at -80 C is about 1 bar. The partial pressure of carbon dioxide in air is about 0.0004 atm. This tells you that CO2 will not sublime from air at -80 C.
answered 8 hours ago
Chester MillerChester Miller
15.6k2825
$endgroup$
$begingroup$
That's why I always make sure to bring a sealed box of carbon dioxide when I vacation in Antarctica.
$endgroup$
– JMac
6 hours ago
$begingroup$
While this answer is completely correct, I feel obliged to point out that drawing comparisons between two values in different units (atm vs. bar) is Not A Best Practice, particularly when they're not related by a standard SI prefix.
$endgroup$
– Michael Seifert
6 hours ago
$begingroup$
Oops. I meant for the first to be atm.
$endgroup$
– Chester Miller
6 hours ago
$begingroup$
So if I was brewing beer (what else is there to do at Vostok?), and thus had a container of carbon dioxide, which naturally happens during brewing, that container could have developed CO2 crystals, while it slowly deflated.
$endgroup$
– Cort Ammon
2 hours ago
$begingroup$
Yes, if the pressure of pure CO2 in the container is higher than the equilibrium vapor pressure of CO2 at the temperature of the CO2.
$endgroup$
– Chester Miller
1 hour ago
add a comment |
$begingroup$
The equilibrium vapor pressure of carbon dioxide at -80 C is about 1 bar. The partial pressure of carbon dioxide in air is about 0.0004 atm. This tells you that CO2 will not sublime from air at -80 C.
answered 8 hours ago
Chester MillerChester Miller
15.6k2825
$endgroup$
The equilibrium vapor pressure of carbon dioxide at -80 C is about 1 bar. The partial pressure of carbon dioxide in air is about 0.0004 atm. This tells you that CO2 will not sublime from air at -80 C.
answered 8 hours ago
Chester MillerChester Miller
15.6k2825
edited 6 hours ago
answered 8 hours ago
Chester MillerChester Miller
15.6k2825
answered 8 hours ago
Chester MillerChester Miller
15.6k2825
answered 8 hours ago
Chester MillerChester Miller
15.6k2825
15.6k2825
$begingroup$
That's why I always make sure to bring a sealed box of carbon dioxide when I vacation in Antarctica.
$endgroup$
– JMac
6 hours ago
$begingroup$
While this answer is completely correct, I feel obliged to point out that drawing comparisons between two values in different units (atm vs. bar) is Not A Best Practice, particularly when they're not related by a standard SI prefix.
$endgroup$
– Michael Seifert
6 hours ago
$begingroup$
Oops. I meant for the first to be atm.
$endgroup$
– Chester Miller
6 hours ago
$begingroup$
So if I was brewing beer (what else is there to do at Vostok?), and thus had a container of carbon dioxide, which naturally happens during brewing, that container could have developed CO2 crystals, while it slowly deflated.
$endgroup$
– Cort Ammon
2 hours ago
$begingroup$
Yes, if the pressure of pure CO2 in the container is higher than the equilibrium vapor pressure of CO2 at the temperature of the CO2.
$endgroup$
– Chester Miller
1 hour ago
add a comment |
$begingroup$
That's why I always make sure to bring a sealed box of carbon dioxide when I vacation in Antarctica.
$endgroup$
– JMac
6 hours ago
$begingroup$
While this answer is completely correct, I feel obliged to point out that drawing comparisons between two values in different units (atm vs. bar) is Not A Best Practice, particularly when they're not related by a standard SI prefix.
$endgroup$
– Michael Seifert
6 hours ago
$begingroup$
Oops. I meant for the first to be atm.
$endgroup$
– Chester Miller
6 hours ago
$begingroup$
So if I was brewing beer (what else is there to do at Vostok?), and thus had a container of carbon dioxide, which naturally happens during brewing, that container could have developed CO2 crystals, while it slowly deflated.
$endgroup$
– Cort Ammon
2 hours ago
$begingroup$
Yes, if the pressure of pure CO2 in the container is higher than the equilibrium vapor pressure of CO2 at the temperature of the CO2.
$endgroup$
– Chester Miller
1 hour ago
$begingroup$
That's why I always make sure to bring a sealed box of carbon dioxide when I vacation in Antarctica.
$endgroup$
– JMac
6 hours ago
$begingroup$
That's why I always make sure to bring a sealed box of carbon dioxide when I vacation in Antarctica.
$endgroup$
– JMac
6 hours ago
$begingroup$
While this answer is completely correct, I feel obliged to point out that drawing comparisons between two values in different units (atm vs. bar) is Not A Best Practice, particularly when they're not related by a standard SI prefix.
$endgroup$
– Michael Seifert
6 hours ago
$begingroup$
While this answer is completely correct, I feel obliged to point out that drawing comparisons between two values in different units (atm vs. bar) is Not A Best Practice, particularly when they're not related by a standard SI prefix.
$endgroup$
– Michael Seifert
6 hours ago
$begingroup$
Oops. I meant for the first to be atm.
$endgroup$
– Chester Miller
6 hours ago
$begingroup$
Oops. I meant for the first to be atm.
$endgroup$
– Chester Miller
6 hours ago
$begingroup$
So if I was brewing beer (what else is there to do at Vostok?), and thus had a container of carbon dioxide, which naturally happens during brewing, that container could have developed CO2 crystals, while it slowly deflated.
$endgroup$
– Cort Ammon
2 hours ago
$begingroup$
So if I was brewing beer (what else is there to do at Vostok?), and thus had a container of carbon dioxide, which naturally happens during brewing, that container could have developed CO2 crystals, while it slowly deflated.
$endgroup$
– Cort Ammon
2 hours ago
$begingroup$
Yes, if the pressure of pure CO2 in the container is higher than the equilibrium vapor pressure of CO2 at the temperature of the CO2.
$endgroup$
– Chester Miller
1 hour ago
$begingroup$
Yes, if the pressure of pure CO2 in the container is higher than the equilibrium vapor pressure of CO2 at the temperature of the CO2.
$endgroup$
– Chester Miller
1 hour ago
add a comment |
alexeykuzmin0 is a new contributor. Be nice, and check out our Code of Conduct.
alexeykuzmin0 is a new contributor. Be nice, and check out our Code of Conduct.
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